Similar fossils on South America and Africa, and similar mountains and rocks found on different continents are evidence to support the continental drift.
What is continental drift?According to scientific hypotheses, Earth's continents have undergone motion relative to each other throughout an extended period. This phenomenon is identified as continental drift and is responsible for their apparent drifting across oceanic beds.
Contemporary scientific inquiry in this area falls under plate tectonics research and concentrates on tracking how continents move along various plates comprising Earth's lithosphere.
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what is a space within the body that contains vital organs called?
Body cavity is a space within the body that contains vital organs called.
Five organs in the human body are thought to be essential for survival. The Heart, which is situated in the middle of the chest and is responsible for maintaining blood flow throughout the body. Blood transports both the materials that cells require and the waste products that they produce.
In the intensive care situation, multisystem organ failure is frequently observed, necessitating a multidisciplinary management strategy. Organ failures are increasingly understood to be a result of and have an effect on the malfunctioning of other organs, which is mediated via haemodynamic, neurohormonal, and cell signalling feedback mechanisms. This interaction is known as organ cross-talk. Cardiorenal, hepatorenal, and pulmonary-renal syndromes are typical instances of this interaction between organ systems, and each of them significantly affects the likelihood of recovery of specific organs as well as the prognosis as a whole.
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Can you label the structures of an animal cell? To review the structure of an animal cell, watch this Biof lix animation Drag the labels onto the diagram to identify the structures of an animal cell. 1. cytosol 2. cytosceleton 3. golgi apparatus 4. mitochondrion
The structures mentioned in an animal cell are: 1. Cytosol (semi-fluid substance), 2. Cytoskeleton (protein filaments), 3. Golgi apparatus (modifies and packages molecules), and 4. Mitochondrion (produces energy).
Cytosol: It is the semi-fluid, gel-like substance that fills the cell. It surrounds the organelles and is where many cellular processes take place.Cytoskeleton: It is a network of protein filaments that provides structural support and shape to the cell. It is involved in cell movement, cell division, and intracellular transport.Golgi apparatus: It is a flattened stack of membrane-bound sacs called cisternae. The Golgi apparatus processes, modifies, sorts, and packages proteins and lipids for transport to their final destinations.Mitochondrion: It is the powerhouse of the cell responsible for producing energy in the form of ATP through cellular respiration. It has an outer membrane, an inner membrane with folds called cristae, and contains its own DNA.Learn more about Cytoskeleton from the given link:
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what type of endangered dolphins are being tracked by artificial intelligence technology in new zealand, where only 63 adults in this subspecies live?
Answer:
Māui dolphins
Explanation:
Ye
How does the structure of a muscle cell relate to its function?
Answer:
A single muscle cell is elongated and has a large number of myofibrils. Muscle contraction is performed by thin strands of the proteins actin and myosin. Muscle flexing is made possible by the elongated form of muscle cells, which permits contraction proteins to line up in an overlapping manner.
3. Which of the following would represent a heterozygous pair of genes?
a.
b. aa
c. Aa
d. AA
e. BB
Nitrate in groundwater can be increased by infiltration of runoff from
Select one:
A. manure from cattle feedlots.
B. fields treated with synthetic fertilizers containing nitrogen.
C. rain runoff with dissolved nutrient
D. All of the above.
Nitrate in groundwater can be increased by the infiltration of runoff from various sources, including manure from cattle feedlots, fields treated with synthetic fertilizers containing nitrogen, and rain runoff with dissolved nutrients.
Hence, the correct option is D.
Nitrate in groundwater can be increased by the infiltration of runoff from various sources, including manure from cattle feedlots, fields treated with synthetic fertilizers containing nitrogen, and rain runoff with dissolved nutrients. These sources can contribute to the contamination of groundwater with nitrates.
Manure from cattle feedlots often contains high levels of nitrogen, which can leach into the soil and eventually reach groundwater.
Similarly, synthetic fertilizers used in agricultural fields contain nitrogen compounds that can also be washed into the soil and groundwater through runoff. Additionally, rainwater carrying dissolved nutrients can infiltrate the ground and contribute to nitrate contamination.
Therefore, all of the given options can contribute to the increase of nitrate in groundwater through runoff infiltration.
Hence, the correct option is D.
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How are adoption studies used to separate the effects of genes and the environment in the study of human characteristics?Answer choicesA. Adoption studies assume that the environments of biological and adoptive families are more alike than would be expected by chance.B. Adoptees and their biological mothers share the same environment during prenatal development.C. Adoption agencies carefully select a family that resembles the adoptee's biological family.D. Adoption studies assume that the environments of biological and adoptive families are independent.
Adoption studies are used to separate the effects of genes and the environment in the study of human characteristics by assuming that the environments of biological and adoptive families are independent (D).
Adoption studies are used to separate the effects of genes and the environment in the study of human characteristics by assuming that the environments of biological and adoptive families are independent. This means that any similarities between the adoptee and their adoptive family are most likely due to environmental factors, while any similarities between the adoptee and their biological family are more likely due to genetic factors. By comparing the similarities and differences between these two groups, researchers can determine the extent to which genetic and environmental factors contribute to various human characteristics.
By analyzing these relationships, adoption studies provide valuable insights into the relative contributions of genetic and environmental factors to human traits and behaviors.
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In 1990 the incidence rate for lung cancer in males in Great Britain was 150.8 per 100 000 and in 2000 it was 115.7 per 100 000. Calculate the percentage change in the incidence rate between 1990 and 2000. Give your answer to 1 decimal place.
The percentage change in the incidence rate between 1990 and 2000 is 23.3%.
How to calculate the percentage?A percentage is a value or ratio that may be stated as a fraction of 100. If we need to calculate a percentage of a number, we should divide it's entirety and then multiply it by 100.
From the information, in 1990 the incidence rate for lung cancer in males in Great Britain was 150.8 per 100 000 and in 2000 it was 115.7 per 100 000.
The percentage change in the incidence rate between 1990 and 2000 will be:
= (150.8 - 115.7) / 150.8 × 100
= 35.1 / 150.8 × 100
= 23.3%
In this case, the percentage change is 23.3%.
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an individual ate steak and potatoes. write down what is happening at each organ of the digestive system.
The digestive processes are ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and defecation.
What is digestion?Digestion is a complex process that transforms the food you eat into nutrients that your body uses for energy, growth, and cell repair that it needs to survive. Fermentation processes also involve the production of waste products that must be disposed of.A digestive system breaks down food into nutrients such as carbohydrates, fats and proteins. They are then absorbed into the bloodstream and can be used by the body for energy, growth, and repair. Unused material is discarded as a surface. During digestion, muscles push food from the top of the stomach to the bottom. This is where digestive juices and enzymes break down any food you chew or swallow.It prepares your body for fuel.To learn more about digestion from the given link :
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FILL THE BLANK.
"The amount of gases that can dissolve in seawater depends on
temperature and ____________________.
Group of answer choices
nutrients
depth
currents
salinity"
"The amount of gases that can dissolve in seawater depends on temperature and salinity." The quantity of dissolved salts in saltwater is known as salinity. It is one of the main elements affecting how soluble gases are in salt water.
The idea of colligative qualities can be used to explain the connection between salinity and gas solubility. The osmotic pressure produced by salts in saltwater, such as sodium chloride, has an impact on the solubility of gases.
Osmotic pressure rises in tandem with rising saltwater salinity. Gases are less soluble in water as a result of the higher osmotic pressure. Because of this, saltwater with a greater salinity has a lesser ability than seawater with a lower salinity to dissolve gases.
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which marine zone would have the lowest rates of primary productivity (photosynthesis)?
The marine zone that would have the lowest rates of primary productivity (photosynthesis) would be the aphotic zone.
The aphotic zone, also known as the midnight zone or the dark zone, is the part of the ocean that receives little to no sunlight. It is typically found at depths of 1,000 meters (3,300 feet) or more. Because there is no sunlight in this zone, there is no photosynthesis occurring and therefore no primary productivity. This means that there are no plants or algae producing oxygen and organic compounds, which are essential for the survival of other organisms. As a result, the aphotic zone is home to a limited number of species, most of which are adapted to survive in low-light conditions.
In contrast, the photic zone, which is the uppermost layer of the ocean that receives sunlight, has the highest rates of primary productivity. This is because photosynthesis can occur in this zone, allowing for the production of oxygen and organic compounds. The photic zone is home to a wide variety of marine plants and animals, including phytoplankton, seaweed, and coral reefs. In conclusion, the aphotic zone has the lowest rates of primary productivity due to its lack of sunlight, while the photic zone has the highest rates of primary productivity because it receives an abundance of sunlight.
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Ladybirds are part of the large COCCINELLID family of beetles. All beetles belong to a class in the ARTHROPODS phylum, called INSECTS. Most ladybird species (e.g. SEPTEMPUNCTATA - the seven-spot ladybird) belong to the COCCINELLA genus.
a. Which group in CAPS contains the greatest number of different species?________
b. Write the scientific name for the seven-spot ladybird. __________
(a) The group of insects contains the greatest number of different species.
(b) The scientific name of seven-spot ladybird is Coccinella septempunctata.
Insects are the group of animal kingdom that contains the greatest number of species. These are the invertebrates that fall within the phylum Arthropoda. Insects usually have a chitinous exoskeleton. Their body is divided into three parts: head, thorax and abdomen.
Coccinella septempunctata is most commonly found in Europe. The ladybird usually feeds on aphids. It has bright red colored exoskeleton and has a foul taste when eaten by the predators. It is known to synthesize a toxic alkaloid.
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Sometimes debris, submerged trees, or fences can become hazards for those engaged in water rescues. These hazards are called?
Sometimes debris, submerged trees, or fences can become hazards for those engaged in water rescues. These hazards are called strainers.
A strainer can be any object which allows the water to pass through but obstructs the passage of a person. Examples of strainers include cars, trees, man-made barricades and debris.
Strainers are life-threatening obstacles which should be avoided while a person is in water. A strainer can trap a person very easily. It does not require much current to grab and submerge a swimmer.
If a person is on a boat or craft approaching a strainer, the best way to cope is to try to get to shore above it and navigate around the obstacle. However, a swimmer should aggressively work to swim around the strainer.
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The process of DNA transcription uses one nucleic acid (DNA) as the template for creating another nucleic acid (RNA). Since DNA and RNA are both nucleic acids, each is made up of a combination of common and unique components. Match each term to the appropriate structure(s) on the diagram of DNA and RNA. Some terms will be used more than once. DNA RNA Pyrin guanine Answer Bank adenie thymine guanine ribose deoxyribose cytosinc phosphate group TEC "The process of DNA transcription uses one nucleic acid (DNA) as the template for creating another nucleic acid (RNA). Since DNA and RNA are both nucleic acids, each is made up of a combination of common and unique components. Match each term to the appropriate structure(s) on the diagram of DNA and RNA. Some terms will be used more than once. DNA RNA P: Pyrin guanine Answer Bank uracil adenie adening thymine cytosine thymine guanine ribose deoxyribose phosphato group
The appropriate structure(s) on the diagram of DNA and RNA can be matched to the following terms:
DNA: deoxyribose, phosphate group, adenine, thymine, guanineRNA: ribose, phosphate group, adenine, uracil, guanineThe genetic code is frequently referred to as a "blueprint" because it contains the instructions a cell requires in order to sustain itself. We now know that there is more to these instructions than simply the sequence of letters in the nucleotide code, however. For example, vast amounts of evidence demonstrate that this code is the basis for the production of various molecules, including RNA and protein. Research has also shown that the instructions stored within DNA are "read" in two steps: transcription and translation. In transcription, a portion of the double-stranded DNA template gives rise to a single-stranded RNA molecule.
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Define cell membrane
The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.
3. what is competitive inhibition? explain why oleic acid only worked halfway in bringing fatty acid levels down and why erucic acid succeeded in doing so.
Competitive inhibition is a type of enzyme inhibition where an inhibitor molecule competes with the substrate for binding to the enzyme's active site.
This prevents or reduces the enzyme's ability to catalyze the reaction, thereby decreasing the overall reaction rate.
In the case of oleic acid and erucic acid, oleic acid only worked partially in reducing fatty acid levels because it may have had a weaker binding affinity to the enzyme's active site compared to the natural substrate. This allowed some of the substrates to still bind and be converted, leading to a moderate decrease in fatty acid levels. On the other hand, erucic acid succeeded in bringing fatty acid levels down significantly because it likely had a stronger binding affinity to the enzyme's active site. This led to a higher level of competitive inhibition, preventing more substrates from binding and being converted, resulting in a more substantial reduction in fatty acid levels.
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In the table give specific examples of ecosystem services coral reefs provide for other ecosystems
Coral reefs provide a wide range of ecosystem services to other ecosystems. For instance, coral reefs protect shorelines from storm surges and waves.
The coral reefs also help in preventing coastal erosion. Additionally, coral reefs serve as a habitat and nursery ground for numerous species of fish and other marine organisms. These organisms, in turn, provide food for larger predators such as sharks and whales, which migrate through different ecosystems.
Moreover, coral reefs are also a significant source of revenue for countries that depend on tourism, as many people visit the reefs to snorkel, dive, or simply enjoy their beauty. Coral reefs also have a significant role in nutrient cycling and carbon fixation, helping to regulate the global climate. Overall, the importance of coral reefs cannot be overstated, as they provide essential services to many other ecosystems in the ocean and beyond.
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What are the products of cellular respiration?
A. Energy, carbon dioxide, and water
B. Oxygen, carbon dioxide, and water
C. NADPH and oxygen
D. Glucose and ATP
Answer:
A
Explanation:
Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
So the answer is A. Energy, carbon dioxide, and water
What does accumulate mean?
A. to increase
B. to chase
C. to destroy
Answer:
increase
Explanation:
.
Answer:
A. To increase
Explanation:
Accumulate technically means to collect or gather in one place. The option increase is closest to this definition.
Hope it helps!
You are observing a leaf from a plant using the 40x objective. You note that the cells are rectangular. Assuming the field of view is 500 µm, determine the size of a single cell. You will need to show 2 calculations – one for length and one for width.
According to the stems, this cell is 125 micrometers long and 50 micrometers wide.
Calculus 1If 4 lengths of the organism reach this diameter, divide 500 by 4 to get an approximation of the cell size (125 micrometers in length).
Calculus 2If 10 organism widths reach this diameter, divide 500 by 10 to get an approximation of cell size (50 micrometers wide).
With this information, we can conclude that according to the stems, this cell is 125 micrometers long and 50 micrometers wide.
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We can estimate the size of the cell by using the following formula Size of the cell = FOV / Fit number. In this case, each cell is 125 μm length x 45.5 μm width.
How to measure a cell size?Since cells are too small to be measured, we can make an estimation about their sizes by using a mathematical formula.
To do it, we need to know the objective size, the field of view, and the number of cells that fit in the field of view.
Size of the object = FOV / Fit number
Size of the object = size of the cellFOV = Field of view = eyepiece (mm)/objective magnification Fit number = The number of times the object -cell- fits in the field of viewTo answer this question, first, we will count the number of cells that fit the field. There are,
four cells across the horizontal field of view.eleven cells across the vertical field of view.
Now, we will replace the terms in the given formula.
Length
FOV = 500 μmFit number = 4Size of the cell = FOV / Fit number
Size of the cell = 500 μm / 4 = 125 μm
Width
FOV = 500 μmFit number = 11Size of the cell = FOV / Fit number
Size of the cell = 500 μm / 11 = 45,45 μm
Hence, the approximate size of each cell is 125 μm length x 45.5 μm width.
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this tends to be the longest cytoplasmic projection from a neuron.
The longest cytoplasmic projection from a neuron is the "axon."
The axon is a long, slender cytoplasmic projection that extends from the cell body of a neuron and transmits electrical impulses away from the cell body to other neurons, muscle cells, or glands. The length of an axon can vary widely, ranging from a few micrometers to over a meter in length in some cases.
Axons are specialized for rapid and efficient transmission of nerve impulses, and they are covered by a fatty insulating layer called myelin, which helps to speed up the transmission of impulses. At the end of the axon, specialized structures called synaptic terminals allow the neuron to communicate with other neurons or target cells through the release of neurotransmitters.
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What is an Okazaki fragment? Be specific.
a) What is its ultimate fate? b) Does all of it remain in the DNA forever or does a portion of it eventually get removed? c) Are there any special enzymes involved in their synthesis or in its eventual fate?
Okazaki fragments are short, discontinuous segments of newly synthesized DNA that are produced during the process of DNA replication on the lagging strand. They are named after the Japanese scientist, Reiji Okazaki, who discovered them in the 1960s.
The ultimate fate of Okazaki fragments is to be joined together to form a continuous strand of DNA. This is achieved by DNA ligase, which seals the nick between adjacent Okazaki fragments, creating a phosphodiester bond and connecting the fragments into a continuous strand. Not all of the Okazaki fragment remains in the DNA forever. A portion of it is eventually removed through the process of RNA priming, in which RNA primers are synthesized by primase, a specialized RNA polymerase. These RNA primers provide a starting point for DNA synthesis by DNA polymerase, which eventually replaces them with DNA. The RNA primers are then removed by RNase H and DNA polymerase I, and the resulting gap is filled in by DNA polymerase and sealed by DNA ligase. The synthesis of Okazaki fragments requires a set of specialized enzymes, including primase, DNA polymerase III, helicase, and single-stranded binding proteins. The eventual fate of Okazaki fragments also involves several enzymes, including DNA polymerase, RNase H, and DNA ligase. Together, these enzymes ensure that DNA replication proceeds smoothly and accurately, allowing cells to replicate their genetic material with fidelity.
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This model of the cell cycle includes two arrows that each represent a process in the cycle. What do the two arrows represent?
is it 0.05, 0.04, 0.15 and 0.80
Answer:
No
Explanation:
I have 0.04 cents, you have 0.05, Mom has 0.15, and dad has 0.80
Please answer this, ITS IMPORTANT AND I NEED ASAP!!!
Answer:
Chromosomes contain genes, which help to determine an organism's traits. Genes come in alternate forms called alleles. The actual gene combination that an organism receives from its parents is called its genotype, while the trait that gets expressed as a result is referred to as its phenotype. If an offspring receives the same type of allele for a given gene from each parent, it is said to be h o m o z y g o u s. If the alleles differ, it is h e t e r o z y g o u s.
Explanation:
Explain how used the fossil, rock and glacier evidence to help you form Pangaea
Answer:
Glacial deposits are glacial landforms developed by big rocks collected in the landscape region due to the withdrawal of glaciers.
Explanation:
How would you classify a specific area of cells in the liver that, together, produce bile salts that are stored in the
gallbladder?
А
Cell
B
Tissue
C
Organism
D
Organ system
Answer:
I would believe it's A Cell
Explanation:
It is important too so many trials in an experiment to…
Scientists employ replicated experiments and repeated trials to test hypotheses to ensure that they consistently arrive at the same conclusion and that the initial result wasn't just a lucky guess. They must be certain that the response to their theory is always exactly the same.
The scientist is better able to comprehend the results of the test when the conditions of the experiment are under control. It's not always possible to control every aspect of a test, especially when the hypothesis is being proved for the first time. A hypothesis may be tested by making predictions about patterns that should emerge if the theory is true, especially if conducting a controlled experiment is impractical or impossible for ethical reasons. The scientist gathers information from as many patterns as they can reasonably test or push to be tested. The principle supporting the hypothesis becomes stronger the more experiments the scientist does.When conducting tests, independent and dependent variables are used. Independent and dependent variables are present in an experiment involving two groups, such as when plants are given water on one set and none on the other. Because it is not dependent on chance, the group that receives water in this example is the independent variable. The water is deliberately applied by the scientist. The response that is examined in an experiment to determine if the treatment had any effect is known as the dependent variable. It depends on the independent variable since the lack of water on the group of plants demonstrates whether the scientist's application alters the result.To know more about Trials please click here : https://brainly.com/question/4559559
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Question 10(Multiple Choice Worth 4 points)
(01.03 MC)
It is hypothesized that RNA may have evolved before DNA because RNA molecules
Owere the first molecules synthesized by Miller and Urey
O are more important to genetic inheritance than DNA
O can catalyze a variety of biologically important reactions
are found in more modern cells than are DNA molecules
Answer:
RNA can catalyze a variety of biologically important reactions
Explanation:
The experiments by Miller and Urey showed that inorganic components would produce organic components, but not that they were RNA. RNA is not necessarily more important than DNA for inheritance.
You have a plant that you want to show off at a party. The party happens during autumn (aka fall). Usually in autumn (aka fall) the leaves of your plant fall off. You want to delay the leaves falling off your plant until after the party. What plant hormone would you use to help keep the leaves on? ethylene O cytokinins O gibberellins auxin
Answer:
Auxins
Explanation:
Auxin is a plant hormone that has to do with both leaf and fruit fall.