Answer:
if a predator that eats alot overgrows ex) humans then fish would die as they are the most hunted will go extinct killing everything that eats fish then we would move to land animals by the time we killed all of them all trees plants and water life will be gone
Explanation:
Which of the following are characteristics of a tortoise in a desert environment that distinguish the tortoise as a living thing?
I chose the three top answers, but please correct me if I'm wrong.
it needs food, it reproduces , it uses energy
What must happen in order for a new species to evolve.
What must happen in order for a new species to evolve? They must mate with other species; the gene pools of two populations must become separated, or reproductively isolated.
On the EDL graph x-axis, click the time that represents where the twitch starts
Assuming that the twitch occurs when the muscle contracts, the time that represents where the twitch starts is approximately 400ms.
What is a twitch muscle contraction?
It refers to the muscle contraction by the nervous system due to an external stimulus.
Different techniques use twitches to study the contraction of the muscle fibers. For instance, Interpolated Twitch Technique measure the extent of voluntary muscle activation.
There are different phases through which the muscle goes since it gets the stimuli,
There is a lag phase between the activation of the motor cells and the fiber contraction. During this time, the action potential moves through the motor neuron.The contraction phase occurs when the muscle gets actually contracted, during which actin and myosin interact.
The relaxation phase is the last one to occur, in which troponin blocks the binding sites of myosin, so it can not interact with actin. The muscle relaxes.
Assuming that the twitch occurs when the muscle contracts, the time that represents where the twitch starts is approximately 400ms.
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as human population continue to increase, the demand for natural resources
Answer:
The consumption,(or using) of natural resources gets an increase
Explanation:
The cell is capable of regulating gene expression in a variety of situations and environments. Valid reasons for a cell to regulate gene expression include its ability to:
Answer:
a=to make additonal cells of the same type in response to a demand. b= synthesize enzyme to metabolize a particular nutrient
a=to make additonal cells of the same type in response to a demand. b= synthesize enzyme to metabolize a particular nutrient.
What is regulating gene?The mechanism by which genes are regulated affects when, where, and how much they are expressed.
Regulational proteins and chemical modifications to DNA are just two of the many mechanisms that can be used to carry out the process, which can be intricate. The ability of an organism to react to environmental changes depends on gene control.
One of the key functions that a cell does and one to which a significant portion of its energy is allocated is gene regulation. Gene regulation is one of the fundamental processes that a cell carries out in order to produce the transcripts that will result in the proteins.
Therefore, a=to make additonal cells of the same type in response to a demand. b= synthesize enzyme to metabolize a particular nutrient.
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Imagine if humans evolved in a low-gravity environment, where muscles didn’t need to work so hard against the gravity of our heavy bodies. How might human bodies look and function in such environments compared to how we look on Earth? What about in an especially high-gravity environment
We would be taller
We would be more fat
We would require more exercise
We would get unhealthy more quickly
We would be able to do many things that are not easy on Earth
We would not be able to do somethings that are easy on Earth
We would have more muscles, less bones
High-GravityWe would be Short
We will be thin
We will not require that much exercise
We will be usually healthy
Heavy people will suffer from disease more
A little weight increase can make lots of differences in the body.
Thanks!
Low-Gravity environments are particularly high-gravity. We'd be taller, fatter, need more exercise, and get sick faster; we'd be able to accomplish a lot of difficult tasks here on Earth; and we'd have more muscles and fewer bones, making it impossible for us to perform simple tasks here on Earth.
What distinguishes low from high gravity?A low gravity dam has a height that is less than Hmax. A high gravity dam is one whose height exceeds Hmax. A gravity dam is referred to as a low dam if the base width is designed with the resultant falling as close to the extremities of the middle third of the base as possible. Brewing a beer with a high original gravity (OG) typically, anything above 1.075 OG is considered high. Before fermentation, OG is a measure of the fermentable and unfermentable substances in the wort. Because volume is pressure dependent, the same mass will have a higher density if compressed to a smaller volume because it reduces the denominator of the density equation.To learn more about low from high gravity refer to:
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PEDIGREE CHART
Inheritance Over Three Generations
7. Terminology: Scientists often
refer to the generations of
inheritance as P, F1, and F2.
Using the definitions below,
identify the generations in
Figure 2.
P-parental generation
F1 - 1st generation of offspring
F2 - offspring of the F1 cross
Answer:
15
Explanation:
because u need to divide it
Which of the following correctly describes the structure and its function?
Answer:The small intestines absorb fats and fatty acids and prevent acidic contents from moving upward into the esophagus; the cardiac sphincter prevents the acid from moving upward. Both mechanical and chemical digestion take place in the stomach
Explanation:
The _____ line is a thin transverse protein meshwork structure in the center of the H zone of a relaxed muscle fiber.
Answer:
M-line
Explanation:
The m-line is the dark line across the center of a relaxed muscle fiber.
Bacteria such as E. coli are an excellent model system for genetics studies because they can quickly grow to high densities, allowing us to screen for rare genetic events. These can give rise to different
, which are genetic variants withing a species.
Quick growth to high densities of bacteria such as E. coli can give rise to mutants which are genetic variants within a species.
MutantsMutants are mutated forms of species.
Mutation refers to changes to the DNA base sequence of organisms. This can be caused by a variety of factors.
In a population of high density consisting of a single species, the frequency of mutation is usually high.
Mutation will create phenotypically different organisms within the same species population. These organisms are known as mutants and not only phenotypically different but also genetically variant.
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The five essential elements for a viable habitat include food, water, cover, and what other two elements?.
The other two elements are Space and arrangement!!
The five essential elements for a viable habitat include food, water, cover, and the other two essential elements for a viable habitat are Space and Arrangement of resources.
4. Space: Sufficient space is necessary to support the population of organisms living in the habitat. Different species have different space requirements for their survival, breeding, and other activities. Having enough space ensures that individuals can find the resources they need and reduces competition for limited resources.
5. Arrangement or Arrangement of Resources: The arrangement or structure of the habitat is crucial for the organisms that live there. The spatial distribution of resources, such as food, water, and shelter, affects the accessibility and availability of these resources to different species. The arrangement can also impact predator-prey interactions, nesting sites, and overall ecosystem dynamics.
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16:2
Which type of population growth is shown in this graph?
Population size
Time
exponential
logistic
Linear
Limited
The type of population growth shown in the graph is exponential growth. Therefore, the correct statement is option B.
What are the characteristics of exponential growth?The population size increases at a constant rate without any limiting factors such as resource availability. Exponential growth is characterized by a J-shaped curve when the population size increases over time.
Exponential growth occurs when a population increases exponentially over time. In the early stages of exponential growth, the population size increases slowly, but the rate of growth increases as the population grows larger.
In the graph, the population size increases rapidly over time, and the curve is becoming steeper towards the right end of the graph and is observed in small populations having few limiting factors. However, as the population will encounter limiting factors, there will be slow down in the growth.
Therefore, the type of population growth shown in the graph is exponential growth.
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Is school important? Yes or No? Worth 40 points
Answer:
Yes
Explanation:
Provides Stability. Education provides stability in life, and it's something that no one can ever take away from you. By being well-educated and holding a college degree, you increase your chances for better career opportunities and open up new doors for yourself!
:)
Maintaining a steady state internal environment, despite a changing external environment, is called ________. bioregulation heterostasis biofeedback homeostasis
Answer:
Homeostasis
Explanation:
Homeostasis is the ability of a body to maintain the internal environmrnt of the body within limits that allow it to survive
I need a lab report done about natural selection about birds and their beaks
Answer:
Natural Selection for the Birds
Purpose:
To determine which birds with which beaks survive best in their environment depending on the type of food available.
Question:
What is the effect of the type of food available on the frequency of different types of bird beaks? Hypothesis:
If the food type changes in the environment, then the amount of each type of bird beaks will change because birds with beaks more suited to the available food will be more successful over time.
Variables:
The independent variable of the lab is the type of food that is available to the birds. The dependent variable of the lab is the frequency of each type-size and shape-of beaks.
Materials:
100 sunflower seeds
100 raisins
100 grains of rice
2 forks
2 spoons
2 knives
Plastic cup
Procedure:
1. Gather around the edge of the table cloth, mixing the three groups fairly evenly.
2. Pick up food pieces only with your tool, using the pair of utensils in one hand, simulating the action of a beak.
3. Pick up one piece of food at a time, and put it in your cup (“stomach”) before picking another piece of food.
4. Keep your body off the table cloth and pick up food only within your reach.
5. Start only when the teacher says “Go” and finish when all food has been “eaten.”
Data—Environment with Equal Amounts of Insects, Seeds, and Fruit
Second Generation
Flock X
Flock Y
Flock Z
Insects Eaten
35
32
33
Seeds Eaten
34
46
20
Fruit Eaten
78
15
7
Total
147
93
60
Percentage
49%
31%
20%
Simulated Number of Birds in Flock for 3rd Generation
15
9
6
Data—Changed Environment with Equal Amounts of Insects and Seeds but No Fruit.
First Generation
Flock X
Flock Y
Flock Z
Insects Eaten
30
60
60
Seeds Eaten
27
93
30
Total
57
153
90
Percent
19%
51%
30%
Simulated Number of Birds in Flock for 2nd Generation
6
15
9
Second Generation
Flock X
Flock Y
Flock Z
Insects Eaten
15
100
44
Seeds Eaten
17
80
44
Total
32
180
88
Percent
11%
60%
29%
Simulated Number of Birds in Flock for 3rd Generation
3
18
9
Analysis:
Based on the data in the first table flock X consumes mostly fruit. When fruit was taken away there was a decrease in the number of birds that flock X contained. Flock Y consumes mostly seeds. There was no effect on flock Y when fruit was removed. Due to the fact that flock Z eats mostly insects, the flock was not affected by the removal of fruit.
Conclusion:
In this lab I learned about how favorable traits are important when nature selects what organism will survive and pass down its genes for the next generation to inherit, I also learned that most species learn to adapt to their environments so that they can have a favorable trait to be able to survive in their environment. I was able to observe that in the wilderness you need that favorable trait so that you are able to reproduce and pass down your genotypes for the next generation of you species to inherit. I gained useful skills such as how to determine the next generation’s population by analyzing results from experiments I conducted relating to the bird populations
Explanation:
i actually paid attention and did it
How does the codon help determine the function of the protein it is coding for?.
We can confirm that codons help determine the function of the protein they are coding because they control the order of the amino acids that will form the protein.
What is an amino acid?Amino acids are organic compounds that serve as the base for all proteins. Codons code for amino acids and therefore control the order of the amino acids that will form the protein. This order will dictate the function of the protein.
Therefore, we can confirm that codons help determine the function of the protein they are coding because they control the order of the amino acids that will form the protein.
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The Atlantic puffin feeds on several different species of Atlantic fish. A population of puffins living on Matinucus Rock was found to feed primarily on the types of fish shown in the graph below. The beaks of this group of puffins are shaped to grasp species A particularly well because it is the main species of fish in the ocean around this island. Suppose a puffin in this population is born with a shorter beak that cannot effectively grasp Species A. Predict what would happen to this bird. Explain your reasoning based on what you know regarding genetic adaptations.
The population of the Atlantic puffin will decrease because of inability to obtain food.
What is mutation?A mutation is an abnormal change that occurs in the sequence of nucleotides in a DNA molecules of an organism.
Assuming a mutation occurs in the beak of the Atlantic puffin that affects it ability to eat fish species A.
Since, species A is the most abundant fish species, the population of the Atlantic puffin will decrease because of inability to obtain food.
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Which chemical components may be parts of a molecule of transfer RNA?
A) ribose, phosphate group , uracil base
B) deoxyribose, phosphate group , guanine base
C) glucose, amino group, thymine base
D) maltose, carboxyl group, uracil base
Answer:
A) ribose, phosphate group , uracil base
Explanation:
tRNA nucleotides (monomers) have:
1 ribose sugar 1 phosphate group1 nitrogenous baseDeoxyribose = sugar found in DNA only
Thymine = nitrogenous base found in DNA only
Uracil = nitrogenous base found in RNA only
Maltose = complex sugar that has nothing to do with genetic material
Carboxyl group = not found in genetic material
What is the sequence of subunits in a protein mostly directly dependent on?
A) the region in the cell where enzymes are produced
B) DNA in the chromosomes in the cell
C) the type of cell in which starch is found
D) kinds of materials in the cell membrane
Answer:
B) DNA in the chromosomes in the cell
Explanation:
DNA contains the instructions for protein manufacturing. This directly determines what proteins are being made. What does not play an equal role in this process, however, are enzymes or other intracellular material.
Hope this helps!
Which statement best defines micronutrients?
A.
Micronutrients can be synthesized only by microbial organisms.
B.
Micronutrients are required by the body in small quantities.
C.
Micronutrients are essential only for infants and children.
D.
Micronutrients are naturally made by the body.
Answer:
B.
Micronutrients are required by the body in small quantities.
Which statement about the energy yields from cellular respiration is true? The heat produced during cellular respiration is only a tiny fraction of the chemical energy available in a glucose molecule. Cellular respiration is more efficient at harnessing energy from glucose than car engines are at harnessing energy from gasoline. Cellular respiration converts all of the energy in glucose into energy in ATP. Cellular respiration converts the kinetic energy of glucose into chemical energy.
Answer:
In a eukaryotic cell, the process of cellular respiration can metabolize one molecule of glucose into 30 to 32 ATP. The process of glycolysis only produces two ATP, while all the rest are produced during the electron transport chain.
Explanation: its correct
the blood supply to the brain is povided mainly by the internal carotid and vertebral arteries true of false
Answer:
Answer:trueee very true infact
Which disease caused by massive release of histamine?
A- Lupus
B- Cancer
C- anaphylactic shock
D- Arthritis
[tex]\qquad \qquad\huge \underline{\boxed{\sf Answer}}[/tex]
The Correct choice is C. Anaphlactic shock
Disease caused by massive release of histamine is Anaphlactic shock.
What is the function of the pistil and stamen of a plant?
Answer:
The pistil is the female reproductive part in a flower whose main function is to produce ovule. The stamen is the part of a flower that produces pollen.
Explanation:
Passing a microorganism to another person through touch is called.
Direct Contact Infection
Direct contact are touching, kissing, contact with oral secretions, or contact with body lesions.
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5. Should the discovery of alcohol or drug addiction in a pregnant woman lead to
compulsory treatment, even if this is against her will?
Answer:
yes. It is not her life that is in danger. She is harming the child. She should not get to choose achohol over a child.
Explanation:
What are 5 names of nitrogen bases?
Answer:
adenine, cytosine, guanine, thymine and uracil
Explanation:
What are the 3 main classes of Poriferans (Sponges)?
The approximately 5,000 living sponge species are classified in the phylum Porifera, which is composed of three distinct groups, the Hexactinellida (glass sponges), the Demospongia, and the Calcarea (calcareous sponges).
hope this helps
Answer:
Hexactinellida, the Demospongia, and the Calcarea.
Explanation:
mr cleann
what do whitefish embryo and onion root tip have in common in mitosis
Answer: The whitefish embryo is a good place to look at mitosis because these cells are rapidly dividing as the fish embryo is growing. The onion root is also a good place because this is the area where the plant is growing.
Explanation:
In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (W). The heterozygous genotype is expressed as pink.
a) What is the phenotype of a plant with the genotype RR? ___________
b) What is the phenotype of a plant with the genotype WW? ___________
c) What is the phenotype of a plant with the genotype RW? ___________
Answer:
See below.
Explanation:
A) RR would be red.
B) WW would be white.
C) RW would be pink.
-hope it helps
Answer:
1. Red flowers
2.white flower
3.pink flower
Explanation:
Hope this helps :)