the number of individuals in a population of a species that an environment can sustain log-term is known as the group of answer choices carrying capacity population dynamic sustainable population food web trophic level
Answers
The number of individuals in a population of a species that an environment can sustain log-term is known as A. Carrying capacity
It is influenced by both biotic and abiotic factors like availability of food, water, habitat, disease, predation, and competition. The carrying capacity can be exceeded by a population for a short time, but eventually, there will be a decrease in the population size, this could be due to factors like lack of food, increase in disease, or increase in predators. The population dynamics is the study of changes in population size, density, distribution, and age structure. It helps scientists understand the factors that influence the growth, decline, or stability of populations over time.
Sustainable population refers to a population size that can be maintained indefinitely without causing significant negative impacts on the ecosystem or other species, it is essential to ensure that the ecosystem remains healthy and resilient and can continue to provide ecosystem services like air and water purification, nutrient cycling, and pollination. The food web is a diagram that shows the feeding relationships between different organisms in an ecosystem. It shows how energy and nutrients are transferred from one organism to another. So therefore the correct answer is A. carrying capacity refers to the maximum number of individuals in a population of a particular species that an ecosystem can support in the long term.
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Related Questions
Prokaryotic and eukaryotic cells have several differences. Which statement below is not one of those
differences?
Prokaryotic cells are found in the domains Eubacteria and Archaea.
Eukaryotic cells have organelles for processes like respiration or photosynthesis.
Prokaryotic cells cannot make their own proteins.
Eukaryotic cells are generally ten times larger than prokaryotic cells.
Answers
prokaryotic cells cannot make their own proteins, the statement is false. Thus the option C is correct.
What are the distinguishable features of prokaryotes and eukaryotes ?Prokaryotic cell are unicellular as it is made up of single cell and the size ranges from 0.2 μm – 2.0 μm while eukaryotic cell are multi-cellular, the size ranges from 10 μm – 100 μm in diameter.
cell wall is present in prokaryotes which involve in providing protection of the cell where as only in plant cell wall is present; True Nucleus is absent in prokaryotes instead of nucleus, nucleoid is present which carry genetic material while in eukaryotes true nucleus is present.
The Ribosomes are Smaller in size and 70s type in prokaryotic cell where as the ribosome is larger in size with 80s type in eukaryotic cell larger in size and linear shaped ribosomes are present.
All the metabolic and physiological activities occur in a single cell of prokaryotes where as the metabolic and physiological activities occur in different organelle.
Thus the option C is correct.
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true/false. different cells use different transcription units. different cells use different polyadenylation sequences. different cells splice the same transcript differently. different mesoforms are produced. actually, different cell types make the same protein.
Answers
Different cells use different transcription units. Different cells use different polyadenylation sequences. Different cells splice the same transcript differently. Different isoforms are produced. Different cell types make the same protein. The following statement is true.
Different cells use different transcription units, which are regions of DNA that are transcribed into RNA molecules. Different cells also use different polyadenylation sequences, which are the sequences of RNA that signal the addition of the poly(A) tail during mRNA processing. Additionally, different cells can splice the same transcript differently, resulting in different mRNA isoforms. These different mRNA isoforms can produce different protein isoforms, or meso forms, which have slightly different amino acid sequences and functions. Despite these differences, different cell types can still make the same protein, as long as they share the same coding sequence in the mRNA.
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Webbed fingers and toes in humans is due to a rare dominant gene. What percent of the offspring would you expect to have normal fingers and toes when a man heterozygous for webbed fingers and toes marries a woman with normal fingers and toes?
Answers
Answer:
I would guess the percent is around 95.
Explanation:
Classify these hypotheses about the ocean as falsifiable or non-falsifiable.
Limestone erodes faster than
basalt when exposed to
ocean salt water.
The rugged Panama coastline
offers a wonderful experience
for fishing enthusiasts.
Shallower tide pools support
more algae growth.
Warm ocean water is
more enjoyable to swim
in than cool ocean water.
Answers
Falsifiable: The shoreline of Panama gives a magnificent experience, and swimming in warm water is more delightful.
Non-falsifiable: Basalt erodes more slowly than limestone, and algae can develop in tide pools that are shallower.
Falsifiability is the capacity to show that a claim, assertion, theory, or hypothesis is false. The idea of falsifiability states that a scientific hypothesis can only be believed if it can be disproven. This implies that the theory must be able to be disproven by testing. The possibility of the hypothesis being disproved at a later point in time or location does not necessarily imply that it is faulty or inaccurate.
Those hypotheses that are intrinsically impossible to refute due to technical or subjective issues. Confidently stating that a thesis or hypothesis is true or untrue, even when the notion or hypothesis may not be able to be refuted by observation or the results of any physical experiment, is typically proof; non-falsifiability is non-falsifiability without strong or sound reasoning.
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Tasha went on a trekking expedition to a mountain range during her vacation. When she reached a particular elevation, it started raining heavily. Which sphere of Earth is most responsible for this sudden weather change?
Answers
The atmosphere, which is the layer of gases surrounding the Earth, is most responsible for sudden weather changes such as heavy rain. It plays a crucial role in regulating and distributing weather patterns, including the formation of precipitation.
The atmosphere is the layer of gases surrounding the Earth, and it plays a crucial role in weather patterns and changes. It consists of various components, including water vapor, clouds, and air currents.
When Tasha reached a particular elevation in the mountain range and it started raining heavily, it indicates a significant change in weather conditions.
As Tasha ascended to higher elevations, she entered different layers of the atmosphere, which can have varying temperatures, humidity levels, and air pressure. These factors contribute to the formation of clouds and precipitation.
When the air rises along the mountain slopes, it cools down, causing the water vapor present in the air to condense and form clouds. Eventually, these clouds release rain or other forms of precipitation, resulting in the sudden heavy rainfall that Tasha experienced.
Therefore, the atmosphere, with its composition and dynamics, is primarily responsible for the sudden weather change Tasha encountered during her trekking expedition in the mountain range.
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If mitochondria originated as prokaryotic symbionts, which characteristics might they share with prokaryotes? Select all that apply.
A.chloroplasts
B.circular DNA
C.nucleus
D.antibiotic s
Answers
If mitochondria originated as prokaryotic symbionts, Circular DNA might they share with prokaryotes, option B is correct.
Mitochondria originated from prokaryotic symbionts, specifically a group of bacteria known as alpha-proteobacteria. As a result, they still retain certain characteristics reminiscent of their prokaryotic ancestors. One such characteristic is the presence of circular DNA. Like prokaryotes, mitochondria possess their own genome in the form of a circular DNA molecule, known as mitochondrial DNA (mtDNA).
This circular DNA structure is distinct from the linear DNA found in the nucleus of eukaryotic cells. The circular nature of mtDNA is a shared feature between mitochondria and prokaryotes, suggesting their evolutionary origins and their ability to replicate independently within the cell, option B is correct.
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What is happening in these images?
Photos by Semantman
Answers
the water level is going down.
which hormonal deficiency reduces the growth of axillae and pubic hair in female clients?
Answers
The hormonal deficiency that reduces the growth of axillae and pubic hair in female clients is hypogonadism.
Hypogonadism is a condition where the body doesn't produce enough sex hormones, including testosterone, which is responsible for the growth of pubic and axillary hair. In female clients with hypogonadism, there may also be a lack of breast development, delayed menstruation, and infertility. Treatment options include hormone replacement therapy and addressing any underlying conditions that may be causing the hypogonadism, such as autoimmune disorders or tumors. It's important for clients to seek medical attention if they are experiencing symptoms of hypogonadism to prevent further complications.
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Jacob a 40 year old man who is 6 foot tall and weighs 225 pounds has been diagnosed with atherosclerosis. What healthcare plan would you design for this patient? prescribe a medication to reduce bad cholesterol and no other changes need to be made. patient is just slightly overweight and she is worrying to much about his health, therefore no change. patient should make lifestyle changes to healthier foods and start an exercise plan to reduce his weight by 30 pounds prescribe a medication that lowers blood pressure and no other changes need to be made.
Answers
Answer:
The patient should make lifestyle changes to healthier foods and start an exercise plan to reduce his weight by 30 pounds.
Explanation:
We know that the patient weighs 225 pounds, and his height is 6 feet. With this information, we can determine his Body Mass Index (BMI) using the formula:
BMI= weight/(height)²
BMI= 225/(6)²
BMI= 30.5
Once that we calculated his BMI, we compare the result with the reference chart, here we can see that for his height. he is obese. This coincides with the fact that he has been diagnosed with atherosclerosis. His body has been placing the extra fat in the arteries.
The best plan for Jabob would be to make a lifestyle change to healthier foods and an exercise plan that helps him to lose weight so that his BMI would be approximately 25 and his weight of 195 pounds. Also, this plan will reduce cholesterol levels.
What is the definition of cellular respiration?(1 point) Responses the process of using the chemical energy from hydrogen and oxygen molecules to power life processes the process of using the chemical energy from hydrogen and oxygen molecules to power life processes the process of capturing the sun’s energy, converting it into sugar, and storing it in tissues the process of capturing the sun’s energy, converting it into sugar, and storing it in tissues the process of capturing the sun’s energy, converting it into oxygen, and releasing it into the atmosphere the process of capturing the sun’s energy, converting it into oxygen, and releasing it into the atmosphere the process of using the chemical energy from food and oxygen molecules to power life processes
Answers
The definition of cellular respiration is as follows:
The process of using the chemical energy from food and oxygen molecules to power life processes. What are the advantages of cellular respiration?The advantages of cellular respiration are as follows:
It delivers the energy to the cell that it requires in order to function. It constructs a huge amount of ATP which can be utilized by the cells as a fuel.It facilitates numerous metabolic pathways.During the process of cellular respiration, glucose and oxygen can be used as reactants while carbon dioxide, water, and useable energy are extracted in the form of products. It involves a series of chemical reactions to power life processes. Sunlight is used in the process of photosynthesis.
Therefore, cellular respiration is the process of using chemical energy from food and oxygen molecules to power life processes.
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why do conditions in the body need to remain constant? give three examples
Answers
Answer: you need to have control over your blood glucos concentration, body temperature, and water levels to maintain homeostasis.
A student is investigating the process of osmosis. She fills a medicine dropper with red
blood cells. Next, she creates a saline solution that is isotonic to the red blood cells.What will most likely happen to the red blood cells after they are placed in the
solution?
A. Water will exit the cells and cause them to shrink in size.
B. Water will enter the cells and cause them to grow in size.
C. Water will neither enter or exit the cells and their sizes will remain the same.
D. Water will enter and exit the cells at a steady rate and their sizes will remain
the same.
Answers
Answer: D. Water will enter and exit the cells at a steady rate and their sizes will remain the same.
Explanation:
Osmosis occurs when the salt content is NOT the same as our red blood cells: the salt or lack of it causes our RBCs to swell or shrink. Isotonic fluid has the same salt content as our RBCs. This is why it's important to watch salt intake in congestive heart failure.
In ecosystems, biotic an abiotic factors influence one another. Give three examples of an interaction between a biotic and abiotic factor in any of the marine ecosystems from the chart. (Use the back for more room).
Answers
Answer:
One of the most critical interactions in an ecosystem between the biotic and abiotic environment is photosynthesis, the base chemical reaction that drives most life on earth. Plants and algae use sunlight, water and carbon dioxide to create the energy they need to grow and live via photosynthesis.
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7. Once you have taken a bite of an apple, which of the following represents the correct pathway of its nutrients?
A. circulatory system → cell → digestive system
B. digestive system → circulatory system → cell
C. cell → digestive system → circulatory system
D. circulatory system → digestive system → cell
Answers
Once you have taken a bite of an apple, digestive system → circulatory system → cell represents the correct pathway of its nutrients. The correct option is B.
What is nutrient?Nutrients are substances found in food that drive biological activity and are therefore necessary for the human body.
To begin the digestion process, the nutrients in the apple are first broken down by the teeth in the mouth and mixed with saliva.
After swallowing, the food bolus travels down the oesophagus to the stomach, where it is further broken down by stomach acid and digestive enzymes.
The nutrients are then absorbed into the bloodstream via the small intestine walls and carried to the liver via the circulatory system.
The nutrients are distributed to the cells throughout the body by the liver to be used for energy and other functions.
Thus, the correct option is B.
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Mice have two unlinked allele pairs that affect fur color. The table shows how allele pairs affect fur color. The term "agouti" describes fur with pigmentation that changes in each hair from the shaft to the tip, giving the fur a banded appearance. Mice with the aa allele pair ware albino, regardless of the second allele-pair combination. What is the probability of albinism in the offspring of a cross between two mice with AaBb alleles?
answer choices
1/16
3/16
4/16
9/16
Answers
The probability of albinism in the offspring of a cross between two mice with AaBb alleles is 4/16.
What is Probability?
This is an expression which tells how likely an event will occur. It is usually gotten by dividing the favorable number of outcomes by the total number of possible outcome.
The total number of possible outcome is 16 and the favorable number of outcomes (AaBb) is 4.
This means the probability is 4/16.
During cellular respiration, which of the following is equal to the total number of oxygen atoms in glucose and oxygen Gas?
Answers
Answer:
What are the following?
What is a macromolecule? Question 6 options: a) a molecule that contains carbon b) a very large molecule c) a molecule that has two hydrogen atoms and one oxygen atom d) a molecule you can see with the naked eye
Answers
Answer:
b)a very large molecule
Explanation:
A macromolecule is a very large molecule, such as a protein. They are composed of thousands of covalently bonded atoms. Many macromolecules are polymers of smaller molecules called monomers. The most common macromolecules in biochemistry are biopolymers and large non-polymeric molecules such as lipids and macrocycles.
The control center in a cell is called ______________.
A: nucleus
B: mitochondria
C: cytoplasm
D: none of the above
Answers
Answer:
A.nucleus
Explanation:
The control center of in a cell is called nucleus
the nutrients of ________ protect our organs and insulates us from cold.
Answers
The nutrients of fat protect our organs and insulates us from cold. Fat is an essential nutrient that serves many important functions in the body.
It is a major source of energy, helps in the absorption of fat-soluble vitamins, and provides cushioning and insulation to our organs.
In fact, our vital organs like the heart, liver, and kidneys are protected by a layer of fat that acts as a shock absorber.
Additionally, fat provides insulation to our body, helping to maintain our core temperature in cold weather.
While it's important to maintain a healthy body weight, consuming healthy sources of fat, such as avocado, nuts, and olive oil, can provide many benefits to our health.
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what function do RNA primers perform during DNA replication?
A. fill in gaps between groups of nucleotides on the lagging strand
B. provide sites for nucleotide addition along both strands
C. stabilize the DNA molecule to prevent breakage
D. correct errors made during DNA strand synthesis
Answers
Answer:
b.)
Explanation:
because RNA primer serves as a starting point for DNA polymerase
Which will increase the rate of a chemical reaction?
SE38
adding a positive catalyst
decreasing the pressure
decreasing the temperature
adding a negative catalyst
Answers
Answer:
The answer is option 1.
Explanation:
Adding catalyst will increase(speed up) the rate of reaction.
Rate of reaction increase :
temperature increases
pressure increases
adding enzyme(catalyst)
the s shape of the human vertebral column is formed by two curves. where are these two curves located?
Answers
The S-shape of the human vertebral column is formed by two curves known as the primary curves and the secondary curves.
What are the primary and secondary curves of the vertebral column?The primary and secondary curves create the characteristic S-shape of the human vertebral column, providing balance, stability, and flexibility to the spine.
Primary Curves: The primary curves are present at birth and are retained throughout life. These curves are located in the thoracic and sacral regions of the vertebral column.
Secondary Curves: The secondary curves develop as a child grows and begins to sit upright and walk. These curves are located in the cervical and lumbar regions.
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20. What is the difference between adaptation
and evolution?
Answers
Answer:
Adaptation is the process of adjusting something to better match its environment or situation. Evolution is a broad term that refers to any change in anything over time.
Examine the following Punnett squares and circle those that are correct.
Answers
Based on the analysis, Punnett Squares 2 and 3 are correct representations of the possible combinations of alleles for the given genotypes of the parents.
In order to determine the correct Punnett squares, we need to analyze the given genotypes and accurately represent the possible combinations of alleles for each parent. Let's evaluate the provided Punnett squares:Punnett Square 1:Ee eeGE GgThis Punnett square is incorrect. It incorrectly combines the genotypes of the two parents, resulting in an inaccurate representation of the possible offspring.Punnett Square 2:Ee eeGG GgThis Punnett square is correct. It accurately represents the genotypes of the parents and shows the possible combinations of alleles for their offspring.Punnett Square 3:Ee EeGg GgThis Punnett square is correct. It accurately represents the genotypes of the parents and shows the possible combinations of alleles for their offspring.Based on the analysis, Punnett Squares 2 and 3 are correct representations of the possible combinations of alleles for the given genotypes of the parents. Punnett Square 1 is incorrect as it does not accurately combine the genotypes of the parents.For more questions on Punnett Squares
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Note: The correct question would be as
Punnett Squares Examine the following Punnett squares and circle those that are correct. E e GS g Ee ee Ee EE GG G gg GE e e g Ee ee Ee Ee Gg Gg Gg gg g g.
this is an easy question but I wanna make sure if I’m correct:)
Answers
Answer:
Wrong, the correct answer would be B, but good try :)
Explanation:
Hypothesis is a theory.
Answer:
Ok so im pretty sure the answer is b
The papillary layer of the dermis lies deep to which layer of the epidermis?
Answers
Answer:
stratum basale
A mutant dna polymerase that increases the frequency of strand slippage would increase the frequency of which type of mutation?.
Answers
A mutant DNA polymerase that increases the frequency of strand slippage might increase the frequency) triplet-repeat growth mutation.
Triplet enlargement is resulting from slippage at some stage in DNA replication or at some stage in DNA repair synthesis. because the tandem repeats have an identical collection to one another, base pairing among two DNA strands can take region at more than one factor alongside the sequence.
Repeat expansion issues are a category of genetic illnesses which are a result of expansions in DNA repeats. The DNA repeats are available in diverse sizes from single nucleotides to dodecamers or longer. the threshold at which the repeat expansions emerge as symptomatic varies with the unique disease.
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which step of reparation produces the most energy for the organism?
Answers
The step of respiration which produces the most energy for the organism is the electron transport chain.
What is Respiration?This is referred to a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
Electron Transport System generates 32 or 34 ATP molecules and is the cell's main source of energy. Thus, the electron transport system produces the most ATP in cellular respiration.
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Passing a microorganism to another person through touch is called.
Answers
Direct Contact Infection
Direct contact are touching, kissing, contact with oral secretions, or contact with body lesions.
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Why is the carbon sink in your case study vulnerable to fire?
NEED HELP PLEASE!!!!
Answers
The carbon sink in your case study vulnerable to fire atmospheric carbon would be much higher without carbon sinks and a carbon sink is important because they store carbon and lower the amount of carbon dioxide in the atmosphere.
What is a Carbon sink?A carbon sink has been defined as the thing that has sponges more carbon from the atmosphere than it has been discharged. It includes plants, soil compounds, oceans, etc.
The important function of the carbon sink has to absorb carbon dioxide from the atmosphere and control the levels of carbon dioxide in the atmosphere at manageable levels.
Therefore, The carbon sink in your case study vulnerable to fire atmospheric carbon would be much higher without carbon sinks and a carbon sink is important because they store carbon and lower the amount of carbon dioxide in the atmosphere.
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