draw a labeled diagram of the brain​

Answer:

M-line

Explanation:

The m-line is the dark line across the center of a relaxed muscle fiber.

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.

Answer:

Formed by adding 5 g of sugar to 1 L of water

The population of the Atlantic puffin will decrease because of inability to obtain food.

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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Answer:

The unique, flat shape of the articulating surfaces in a gliding joint let the bones slide over one another, often allowing a large range of motion. These joints are present in the spine, wrist, foot, and the clavicle.

Explanation:

Explanation:

i hope it helps on you

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Answer:

relating to moral principles or the branch of knowledge dealing with these.

Explanation:

it needs food, it reproduces , it uses energy

According to the given situation, the fish experienced an evolutionary change because of genetic drift.

What is genetic drift?

Genetic drift is the change in the frequency of a present gene variant or allele in a population due to random chance.

Genetic drift may cause gene variants to disappear completely and thereby reducing genetic variation and also causing rare alleles to become much more frequent and evenly fixed.

Thus, the fish experienced an evolutionary change because of genetic drift.

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Answer:

(Q1) An animal is born with a shorter tail. This makes no difference to its ability to survive or reproduce, but as a result of pure luck, the animal survives, reproduces, and passes its shorter tail down to its offspring. Over time, the species develops a shorter tail.

(Answer) genetic drift

(Q2) The process of altering the genome of one species by adding genes from another species in order to gain a beneficial trait is known as

(Answer) genetic modification.

(Q3) Some fish in a murky underground lake have lighter scales than the others. This makes it slightly harder for the lighter fish to escape detection by predators, but most light-colored fish live long enough to reproduce. A natural event separates the dark-scaled fish from their light-scaled cousins, and as a result, a new species of dark-scaled fish emerges.

(Answer) The fish experienced an evolutionary change because of genetic drift.

(Q4) Which scenario accurately describes an example of artificial selection?

(Answer) A farmer intentionally breeds oranges to be more resistant to aphids.

(Q5) Over many generations, there is a good chance that an advantageous gene will be shared by every organism of the same species or that a new species will emerge. These long-term outcomes are called

(Answer) evolution.

Explanation:

these are the correct answers for the 2022 school year. hope this helps UwU

Answer:

The consumption,(or using)  of natural resources gets an increase

Explanation:

Answer: 1.A food web is multiple food chains and an energy pyramid shows how energy moves through trophic levels.

Explanation:

Answer:

your lab partner tells you the bacteria are moving in his Graham staines way you can conclude that smear

Answer:

lipid

Explanation:

lipids are formed by combination of fatty acid and glycerol

The statement that is not true concerning the zebra mussel in the United States would be option "D" that it can be eliminated from a river with minimal effort.

Zebra mussels are an invasive, fingernail-sized mollusc that is indigenous to freshwaters in Eurasia. Their name comes from the dark, zig-zagged stripes on each shell.

They probably arrive in the Great Lakes in the 1980s via ballast water that was discharged by huge ships from Europe. They have spread rapidly throughout the Great Lakes region and into the large rivers of the eastern Mississippi drainage. .

Thus, option "D" can be eliminated from a river with minimal effort.

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Answer: D

Explanation:  it can be eliminated from a river with minimal

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.

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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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!

        :)

Answer:

False

Explanation:

Adenine, Cytosine, uracil and guanine

According to scientific thought, the correct option to this is when does one species of organisms become two species When populations compete for the same resources as one population.

When one population cannot interbreed with another then it is called speciation. For example, if a cross between fertile and infertile is produced.

The evolutionary procedure of speciation is how one populace of a species modifications over the years to the factor wherein that populace is awesome and might now not interbreed with the “parent” populace. Often a bodily boundary divides the species into two (or more) populations and continues them from interbreeding.

Hence clear it is that populations compete for the same resources when one population.

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Direct Contact Infection

Direct contact are touching, kissing, contact with oral secretions, or contact with body lesions.

Hope it helps （⌒▽⌒）（⌒▽⌒）

Answer:

c because these graphs are showing how the continents separated

Explanation:

Answer:true

Explanation: I took the test on k12 xx

Tropical storms are strengthened by heat and moisture. So, the given statement is True.

A tropical cyclone is defined as a rapidly rotating storm system characterized by a low pressure center, a closed low-level atmospheric circulation, strong winds and a spiral arrangement of thunderstorms that produce heavy rain and thunderstorms.

Tropical cyclones form around the equator at 5° - 30° but this also varies depending on where in the world they form. Tropical cyclones initially move west due to easterly winds and slightly poleward. Tropical storm is organized center of low pressure that originates over warm tropical oceans.

Thus, Tropical storms are strengthened by heat and moisture. So, the given statement is True.

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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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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

Quick growth to high densities of bacteria such as E. coli can give rise to mutants which are genetic variants within a species.

Mutants 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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Answer:

The only place that O2 participates in cellular respiration is at the end of the electron transport chain, as the final electron acceptor. Oxygen's high affinity for electrons ensures its success in this role.

Explanation: hope this helps

Answer:

A) ribose, phosphate group , uracil base

Explanation:

tRNA nucleotides (monomers) have:

Deoxyribose = 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

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