What characteristic of the proteins that form red blood cells allows them to change shape and flow freely through the blood
Answers
The characteristic of the proteins that form red blood cells that enables them to change shape and move freely through the bloodstream is their flexible structure.
Red blood cells are one of the most abundant cells in the human body and are essential for the delivery of oxygen and nutrients to various tissues and organs. Proteins in red blood cells are known as hemoglobin, which is responsible for the binding and transport of oxygen and carbon dioxide. Hemoglobin is a protein composed of four subunits, each containing a heme group that can bind to oxygen.The characteristic of the proteins that form red blood cells that allows them to change shape and flow freely through the blood is their flexible structure. Red blood cells are biconcave and flexible, which allows them to change their shape to squeeze through the narrowest blood vessels.
They are able to deform and then resume their original shape to continue carrying oxygen and nutrients to various tissues and organs. The flexible structure of red blood cells is crucial for their function because they must navigate through the narrowest of blood vessels, including capillaries, to reach their destination in the body.The characteristic of the proteins that form red blood cells that enables them to change shape and move freely through the bloodstream is their flexible structure. This flexibility enables red blood cells to pass through small blood vessels and travel through the bloodstream with ease.
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Related Questions
WILL GIVE BRAINLIST TO BEST ANSWER HELP TIMED!
Which statement BEST summarizes the effects that the Irish Potato Famine and Dust Bowl had on the respective populations of Ireland and the United States?
A. The populations of both areas increased as people found more reliable sources of food.
B. The populations of both areas decreased as people died from starvation or moved to other areas.
C. The populations of both areas remained stable until the disasters were over, then increased immediately afterwards.
D. The populations of both areas were relatively unaffected and continued to grow exponentially.
Answers
The populations of both areas decreased as people died from starvation or moved to other areas.
What is a famine?The term famine has to do with a period of extreme scarcity of food. It may be caused by natural disaster or by the loss of arable land due to some other factors. The time of famine is always characterized by a lot occurrences and even death of people.
The Irish Potato Famine and Dust Bowl led to catastrophic loss of the yield of crops forcing many to abandon their livelihoods in the midst of the famine across Ireland and the United Kingdom.
The statement which best summarizes the effects that the Irish Potato Famine and Dust Bowl had on the respective populations of Ireland and the United States is; the populations of both areas decreased as people died from starvation or moved to other areas.
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PLEASE HELP AND FAST
Heredity Lab Report
Instructions: In the Heredity lab, you investigated how hamsters inherit traits from their parents. Record your observations in the lab report below. You will submit your completed report.
Name and Title:
Include your name, instructor's name, date, and name of lab.
Objective(s):
In your own words, what was the purpose of this lab?
Hypothesis:
In this section, please include the if/then statements you developed during your lab activity. These statements reflect your predicted outcomes for the experiment.
Test One: If I breed a short fur, FF female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.
Test Two: If I breed a short fur, Ff female with a short fur, Ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.
Test Three: If I breed a long fur, ff female with a long fur, ff male, then I will expect to see (all short fur; some short and some long fur; all long fur) offspring.
Procedure:
The procedures are listed in your virtual lab. You do not need to repeat them here. Please be sure to identify the test variable (independent variable) and the outcome variable (dependent variable) for this investigation.
Remember, the test variable is what is changing in this investigation. The outcome variable is what you are measuring in this investigation.
Test variable (independent variable):
Outcome variable (dependent variable):
Data:
Record the data from each trial in the data chart below. Be sure to fill in the chart completely.
Test One
Parent 1: FF
Parent 2: Ff
Phenotype ratio:
________ :
________
short fur :
long fur
Test Two
Parent 1: Ff
Parent 2: Ff
Phenotype ratio:
________ :
________
short fur :
long fur
Test Three
Parent 1: ff
Parent 2: ff
Phenotype ratio:
________ :
________
short fur :
long fur
Conclusion:
Your conclusion will include a summary of the lab results and an interpretation of the results. Please write in complete sentences.
Which genotype(s) and phenotype for fur length are dominant?
Which genotype(s) and phenotype for fur length are recessive?
If you have a hamster with short fur, what possible genotypes could the hamster have?
If you have a hamster with long fur, what possible genotypes could the hamster have?
Did your data support your hypotheses? Use evidence to support your answer for each test.
Test One:
Test Two:
Test Three:
Which hamsters are the parents of the mystery hamster? Include evidence to prove that they are the correct parents.
Answers
The parents of the mystery hamster are most likely Test Two parents (Ff x Ff), as they have the possibility of producing both short fur and long fur offspring, which matches the observed phenotype of the mystery hamster.
What is Genotype?
The genotype of an organism can be represented using letters to denote the alleles inherited from each parent. For example, in humans, the gene for eye color has two alleles: brown (B) and blue (b). A person with brown eyes would have a BB or Bb genotype, while a person with blue eyes would have a bb genotype.
Test variable (independent variable): Genotype of parents
Outcome variable (dependent variable): Phenotype of offspring (fur length)
Data:
Test One
Parent 1: FF
Parent 2: Ff
Phenotype ratio:
3 : 0
short fur : long fur
Test Two
Parent 1: Ff
Parent 2: Ff
Phenotype ratio:
3 : 1
short fur : long fur
Test Three
Parent 1: ff
Parent 2: ff
Phenotype ratio:
0 : 4
short fur : long fur
From the lab results, we can conclude that the genotype for short fur length is dominant over the genotype for long fur length. The genotype for long fur length is recessive.
If you have a hamster with short fur, the possible genotypes could be FF or Ff.
If you have a hamster with long fur, the genotype could only be ff.
The data supports the hypothesis that the genotype for short fur is dominant and the genotype for long fur is recessive.
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Preventive health programs are especially important in situations where animals are housed ____________.
Answers
Preventive health programs are especially important in situations where animals are housed in groups.
Preventive healthcare programs basically involves a multi-faceted approach which includes different types of veterinary evaluation of the animals' overall health as well as assessment of the risks of developing a disease. Such preventive measures become especially important when the animals are housed in the groups.
There are different types of preventive healthcare measures which include the preventive medication, giving vaccine for all the animals, isolation of the sick animals, parasite control, controlling the contamination of the environment of the animals, reducing as well as controlling of the infection etc.
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Which of the following is NOT a constructive goal of peer review?
A- offering counter-arguments to compete for attention
B- maintaining high standards for quality
C- exchanging information for new areas of inquiry
D- addressing flaws in an argument with rebuttal
Answers
Experts in a field assess the work of their peers in a process known as peer review to make sure it adheres to a set of criteria for quality, accuracy, and relevance.
How does the scientific curriculum develop from third grade to tenth grade?1 What are the primary subject areas in science that students in grades G3 through G10 should learn? From G3 to G10, students should focus on Matter, Force, Motion, Energy, Living Things and Their Environment, Earth and Space, and finally, Living Things and Their Environment.
What does a good education at a school mean?In particular, quality education comprises matters like the development of adequate skills, gender parity, the supply of proper school infrastructure, equipment, educational materials and resources, scholarships, or teaching staff.
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Study the illustration above. The digestive system works to ingest, digest, and absorb food that we eat so it can be metabolized and used for energy throughout our body. The process of digestion requires other body systems to help with the entire process. Which description of a canoe running through a river is most like the digestive system working together with the one of the other body systems?
A) The river itself is the skeletal system and the banks of the river are the digestive system holding the water and nutrients in
B) the river itself is the digestive system, the water flowing is the muscular system pushing the canoe (food) towards the end of the river (anus).
C) the river itself is the digestive system, the rowing of the canoe with the oars is like the urinary system pushing the canoe faster down the digestive tract
D) the river itself is the skeletal system and the number of people rowing is like the endocrine system influencing how fast the canoe can move through the river
Answers
Answer:
B) the river itself is the digestive system, the water flowing is the muscular system pushing the canoe (food) towards the end of the river (anus).
Explanation:
Transpiration is best described as _______. a. water evaporation through pores in leaves b. water evaporation through roots c. water absorption through pores in leaves d. water absorption through roots please select the best answer from the choices provided a b c d
Answers
Answer:
The answer to the question is a
which of the following statements describes the evolution by natural selection of mycobacterium tuberculosis bacteria in their new environment? view available hint(s)for part e which of the following statements describes the evolution by natural selection of mycobacterium tuberculosis bacteria in their new environment? the drug-susceptibility trait is an adaptation to the environment of antibacterial soaps. the drug-susceptibility trait is an adaptation to the environment in which human hosts are medicated with the antibiotic rifampin. the drug-resistance trait is an adaptation to the environment in which human hosts are medicated with the antibiotic rifampin. the drug-resistance trait is an adaptation to the environment in which human hosts travel worldwide and are exposed to new strains of bacteria.
Answers
The drug-resistance trait is an adaptation to the environment in which human hosts are medicated with the antibiotic rifampin.
What is rifampin?
A broad-spectrum antibiotic called rifampin is used to treat bacterial infections. It belongs to the rifamycin family of antibiotics and operates by preventing the bacterial enzyme RNA polymerase, which is necessary for the transcription of bacterial DNA. Rifampin effectively kills or inhibits the growth of bacteria that cause a variety of illnesses, including as meningitis, leprosy, and tuberculosis.Rifampin is often taken by mouth, where it is quickly and thoroughly absorbed by the digestive system. It is broken down by the liver and eliminated through the urine and faeces. To boost its efficiency and stop the emergence of antibiotic resistance, rifampin is typically administered in conjunction with other antibiotics.To know more about rifampin, click the link given below:
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A student wants to create a liquid volcano. The student observes bubbles in the soft drink prior to opening it.
The student first proceeds to open the soft drink bottle and place it on the floor.
Next the student drops candy tablets into the drink using a rolled piece of paper, so that the tablets are able to fall into the drink continuously. The student notices a very powerful reaction as the drink fizzes and starts to bubble.
In this scenario, what would be the catalyst ?
The candy tablets being added to the drink.
The gasses being released when the drink was first opened.
The piece of paper being placed over the soft drink.
The container that holds the liquid.
Answers
Answer:IDK
Explanation:
Answer: the candy tablets being added to the drink.
Explanation:
I took the test on edge
Question 1 of 10
In which sealed container would the organisms be able to continuously cycle
O2 and CO2 gases?
A. A terrarium with a plant and a snail
B. An aquarium with fish and plastic plants
C. A terrarium with tadpoles and a pool of water
D. An aquarium with rocks and snails
Answers
Answer:Option A
Explanation: The snail breaths in the O2 which will then exhale CO2, therefore the plant will take that and process the CO2 back into O2.
The organisms would be able to continuously cycle O2 and CO2 gases in a sealed container of a terrarium with a plant and a snail. Thus, the correct option is A.
How do O2 and CO2 cycle in the environment?The carbon dioxide is utilized by the photosynthetic plants in order to synthesize their own food through the process of photosynthesis. They form oxygen as a product which is then utilized by other living organisms for respiration and exhaling carbon dioxide in the surroundings.
A terrarium with a plant and a snail follows the same principle of exchanging oxygen and carbon exchange within the sealed container environment which is described above.
An aquarium with fish and plastic plants does not exchange carbon dioxide and oxygen because plastic plants are not able to perform photosynthesis.
Therefore, the organisms would be able to continuously cycle O2 and CO2 gases in a sealed container of a terrarium with a plant and a snail. Thus, the correct option is A.
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The diagram shows the internal structures of a fish.
Which labels best complete the diagram?
X: Two-chambered heart
Y: Swim bladder
X: Single-chambered heart
Y: Swim bladder
X: Gills
Y: Lateral line
X: Lungs
Y: Lateral line
Answers
Answer:
A or B
Explanation:
i think its A tho
Answer: It's A
Explanation: Got it right on edg.
The oceans make up 70% of Earth's surface. They regulate the overall temperature of the earth by absorbing a great deal of solar energy and heating up slowly. What is true about the oceans' release of heat?
A. The oceans release heat rapidly and add to the greenhouse effect.
B. The oceans release heat more slowly than the land.
C. The oceans release heat more rapidly than the land.
D. The oceans release heat at the same rate as the land.
Answers
Love I think that the answer is B sorry I I was wrong
Can someone please compare and contrast the different types of distribution for populations of animals?
Answers
Answer:
The answer is below
Explanation:
Different types of distribution for populations of animals are:
1. Uniform distribution: the is a form of population distribution in which animals are divided or spaced out evenly across a certain territory. It is mostly observed in an area where there are limited resources to compete for.
2. Random distribution: this is a form of population distribution whereby animals or organisms are distributed without a predictable arrangement. It is mostly observed in an area where resources are sporadically distributed
3. Clumped distribution: this is a type of population distribution in which animals are crowded in groups in different places of the territory. It is mostly observed where resources are patchy.
what is a similarity between the structure of a protein and the structure of a nucleic acid? responses
Answers
A similarity between the structure of a protein and the structure of a nucleic acid is that both have a primary structure.
The primary structure of a protein refers to the linear sequence of amino acids, while the primary structure of a nucleic acid refers to the linear sequence of nucleotides. Both primary structures play a crucial role in determining the overall function and characteristics of the protein or nucleic acid.
Nucleotides are organic molecules composed of a nitrogenous base, a pentose sugar and a phosphate. They serve as monomeric units of the nucleic acid polymers – deoxyribonucleic acid and ribonucleic acid, both of which are essential biomolecules within all life-forms on Earth.
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Where is the moving electric field that causes Earth's magnetic field? A.)earth surface B.)in space C.)earth mantel D.)earth core
Answers
Answer:
D) core
Explanation:
The magnetic field is caused by the electric currents that occur in the core. The core is basically a hodgepodge of metals and really hot materials. Some of the metals, including iron and nickel, cycle around in the core in a process called convection. These convection currents lead to the electric currents and from there the magnetic currents.
plz give me the anser
Answers
Answer:
1. C. Cell membrane
2. D. Cell wall
3. E. Controls what goes into and out of the cell
4. B. Provides protection and support for the cell.
5. A. Shell
I hope this helps you! :)
please what is meant by photosynthesis
Answers
Answer:
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities. Some of this chemical energy is stored in carbohydrate molecules, such as sugars and starches, which are synthesized from carbon dioxide and water, In most cases, oxygen is also released as a waste product that stores three times more chemical energy than the carbohydrates. Most plants, algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere, and supplies most of the energy necessary for life on Earth.
Explanation:
____ are a category of single sugar molecules that are absorbed easily in the small intestine.
Answers
Monosaccharides are a category of single sugar molecules that are absorbed easily in the small intestine.
These simple sugars serve as the most basic units of carbohydrates and provide a primary source of energy for our bodies. Some common examples of monosaccharides include glucose, fructose, and galactose. During digestion, more complex carbohydrates such as disaccharides and polysaccharides are broken down into monosaccharides by enzymes.
Once these simpler sugars are formed, they can be readily absorbed by the cells lining the small intestine through specific transporters. Glucose and galactose are absorbed via a sodium-dependent glucose transporter, while fructose is absorbed through a facilitated diffusion process using a GLUT5 transporter.
Upon absorption, monosaccharides enter the bloodstream and are transported to various cells throughout the body. The cells then convert these simple sugars into energy through a process called cellular respiration. Additionally, the liver plays a critical role in regulating blood sugar levels by storing excess glucose in the form of glycogen or converting it to other molecules for storage, such as fat.
In summary, monosaccharides are single sugar molecules that are easily absorbed in the small intestine and serve as a crucial energy source for the body. They are obtained from the breakdown of complex carbohydrates and are essential for maintaining proper blood sugar levels and supporting cellular functions.
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Inspired by her biology lab, a student decides to make a closer study of the food she eats. She uses a razor blade to make a very thin section from a raw potato and mounts it in a drop of water on a slide. To her disappointment, she can barely make out the cells under the microscope. What might she do improve her results
Answers
By using staining techniques, obtaining thinner sections, using a suitable mounting medium, adjusting microscope settings, or utilizing a more advanced microscope, the student can improve the visibility and clarity of the potato cells under the microscope.
To improve the visibility of cells in a thin section of a raw potato under a microscope, the student can try the following steps:
Staining: Staining the potato cells can enhance their visibility and contrast under the microscope. Different stains can be used to highlight specific cellular components or structures. Common stains used in plant cell microscopy include iodine solution, which stains starch grains, and safranin or methylene blue, which stain cell walls.
Thinner sections: If the section obtained from the potato is too thick, it may limit the clarity of the cells. The student can try making thinner sections using a sharper razor blade or a microtome, which is a specialized instrument for cutting thin sections of specimens.
Mounting medium: Using a mounting medium specifically designed for microscopy can improve the visualization of cells. A mounting medium helps reduce the distortion and scattering of light, providing better clarity and focus.
Adjusting microscope settings: The student can optimize the microscope settings to improve the image quality. This includes adjusting the focus, lighting intensity, and contrast settings to enhance the visibility of the cells. Different magnification levels can also be tried to obtain a clearer view.
Professional microscope: If the student has access to a more advanced microscope with higher magnification and better optics, it may provide improved visualization of the potato cells.
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What process can be explained by the kinetic molecular theory
Answers
The kinetic molecular theory explains the process of the movement of particles in gases. This theory is based on the following postulates Gases are made up of tiny, discrete particles that are separated by vast distances.
These particles are in constant, random motion and are colliding with each other and the walls of their container. The collisions between these particles are perfectly elastic, meaning that there is no loss of energy when particles collide. The average kinetic energy of a gas is directly proportional to its temperature.
That is, at higher temperatures, gas particles move more quickly and have a higher kinetic energy, while at lower temperatures, gas particles move more slowly and have a lower kinetic energy.
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Plz help I need the answer
Answers
Answer:
pretty sure its C
Explanation:
because of the valence electrons
what stages are part of the process that animals use to get their energy
Answers
The process in which oxygen and glucose undergo a complex series of chemical reactions inside cells, releasing energy. Fermentation: The process by which cells release energy by breaking down food molecules without using oxygen
aldosterone stimulates na reabsorption by the kidneys. what changes in blood volume and pressure would be expected as a result of aldosterone deficiency?
Answers
Aldosterone stimulates an reabsorption by the kidneys. The zona glomerulosa of the adrenal cortex of the adrenal gland produces aldosterone as the primary mineralocorticoid steroid hormone.
It is necessary for the kidney, sweat glands, colon, and salivary glands to save salt. It is essential for the control of plasma sodium (Na+), potassium (K+), and blood pressure at the homeostatic level. The mineralocorticoid receptors in the distal tubules and collecting ducts of the nephron are the main targets for its action. It affects the kidney's ability to reabsorb sodium and excrete potassium (into and out of the tubular fluids, respectively), which indirectly affects blood pressure, blood volume, and water retention or loss. Aldosterone is harmful and aids in the onset and progression of renal and cardiovascular disease when it is dysregulated.
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___________ is a protein that stabilizes existing actin micofilaments
Answers
Tropomyosin is a protein that stabilizes existing actin microfilaments.
Tropomyosin is a two-stranded, alpha-helical coiled-coil protein that twists along the actin filament surface, spanning seven actin monomers. It stabilizes existing actin microfilaments by preventing actin polymerization and depolymerization.Tropomyosin is a long, thin, fibrous protein that binds to the actin molecule's grooves.
It stabilizes actin microfilaments by promoting the formation of microfilaments and inhibiting the depolymerization of microfilaments by sterically blocking actin filament association. Tropomyosin's coiled coil binds to a continuous groove on the surface of actin monomers, which serves as a scaffold for troponin to attach to tropomyosin.The tropomyosin molecule stabilizes the actin filament by preventing the myosin head from binding to the actin monomers, causing muscle contraction.
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A molecule composed of many monomers of proteins is called a
Answers
Answer:
amino acids
Explanation:
marke as brainliest
phase of the menstrual cycle is characterized by discharge of fluid from the vagina. it also marks the first day of a new cycle.T/F
Answers
The menstrual phase is characterized by the discharge of fluid from the vagina. This fluid is made up of blood, mucus, and tissue from the lining of the uterus. The menstrual phase marks the first day of a new menstrual cycle. The statement is True.
The menstrual cycle is a natural process that occurs in women of childbearing age. It is a series of changes that happen in the ovaries and uterus each month. The menstrual cycle is divided into four phases:
Menstruation
Follicular phase
Ovulation
Luteal phase
The menstrual phase is the first phase of the menstrual cycle. It begins when the lining of the uterus sheds and blood flows out of the vagina. The menstrual phase usually lasts for 3 to 7 days.
The menstrual phase is followed by the follicular phase. During the follicular phase, an egg matures in one of the ovaries. The follicular phase usually lasts for 10 to 14 days.
Ovulation is the third phase of the menstrual cycle. During ovulation, the egg is released from the ovary and travels down the fallopian tube. Ovulation usually occurs 14 days before the start of the next menstrual cycle.
The fourth and final phase of the menstrual cycle is the luteal phase. During the luteal phase, the egg travels down the fallopian tube and implants in the lining of the uterus.
If the egg is fertilized, the woman will become pregnant. If the egg is not fertilized, the lining of the uterus will shed and the menstrual cycle will begin again.
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When new atoms were formed through
nuclear fusion, the mass did not equal
the sum of its original parts. Where is the
missing mass?
the difference can be found in an escaping
gas
the diffence can be found in the form of
energy
Answers
Explanation:
Nuclear fusion is the process by which two or more atomic nuclei join together, or “fuse,” to form a single heavier nucleus. During this process, matter is not conserved because some of the mass of the fusing nuclei is converted to energy, which is released. Fusion is the process that powers active stars, releasing large quantities of energy.
The origin of the energy released in
When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts - the difference can be found in the form of energy
Nuclear fusion is the process by which two or more atomic nuclei join together, or “fuse,” to form a single heavier nucleus.
In nuclear fusion reaction:
the matter is not conservedthe total mass of the resulting single nucleus is less than the mass of the two original nuclei.some of the mass of the fusing nuclei is converted to energy, which is released.This energy is the difference in the mass between nuclei fuse and the atom formed.Thus, When new atoms were formed through nuclear fusion, the mass did not equal the sum of its original parts - the difference can be found in the form of energy
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which of the following would be the first step in biosynthesis of a virus with a - (minus) strand of rna?
a. synthesis of protein from - strand RNA used as a template
b. synthesis of DNA from - strand RNA used as a template
c. synthesis of + stranded RNA from - strand RNA used as a template
d. synthesis of - stranded RNA from - strand RNA used as a template
Answers
Answer: Synthesis of double-strand RNA from an RNA template.
Explanation:
Is DNA replication the same as cell replication? Or are they two different things?
Answers
DNA replication and cell replication both ate different but are connected to each other
in DNA replication the amount of genetic material become double but in cell division a cell divided into two parts and amount of protoplasm and cytoplasm both get half
given this background extinction rate, how many of the ~40,000 vertebrate species would we expect to go extinct since 1500 under normal circumstances?
Answers
There would be 8 extinctions. we expect to go extinct since 1500 under normal circumstances
WHAT IS BACKGRROUND EXTINCTION RATE?
The term "background extinction rate," also known as "normal extinction rate," describes the number of species that, in accordance with non-anthropogenic (non-human) circumstances, would be expected to become extinct over time.“Millions of species years (MSY)” is a unit, which refers to the number of extinctions expected per 10,000 species per 100 years.2 E/MSY, or 2 extinctions per 10,000 species every 100 years, is a conservative estimate of the background extinction rate for all vertebrate creatures.Hence, keeping that in mind there would be 8 extinctions as there are ~40,000 species.
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solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Answers
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
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The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)