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White raven [17]
2 years ago
7

Given a population that contains genetic variation, what is the correct sequence of the following events under the influence of

natural selection? 1. Well-adapted individuals leave more offspring than do poorly adapted individuals. 2. A change occurs in the environment. 3. Genetic frequencies within the population change. 4. Poorly adapted individuals have decreased survivorship. a. 2 → 4 → 1 → 3 b. 4 → 2 → 1 → 3 c. 4 → 2 → 3 → 1 d. 2 → 4 → 3 → 1
Biology
1 answer:
natali 33 [55]2 years ago
3 0

The correct option is (a) 2 → 4 → 1 → 3

A change occurs in the environment. → Poorly adapted individuals have decreased survivorship. → Well-adapted individuals leave more offspring than do poorly adapted individuals. → Genetic frequencies within the population change.

<h3>What is genetic variation in population?</h3>
  • The presence of various alleles, or different gene versions, within a population indicates genetic variety.
  • If there is genetic variation, then everybody in the population will have various genotypes depending on the alleles they carry.
  • Genetic loci that have many alleles are said to be polymorphic. Human characteristics like blood type and eye color, for instance, are polymorphic.

Learn more about the genetic variation with the help of the given link:

brainly.com/question/848479

#SPJ4

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Answer: C). A tsunami would decrease abundance by causing physical damage to the organisms and their ecosystems.

An intertidal zone is also known as littoral zone. It is the region which is covers the foreshore and seabed. This region is exposed to the affects of tides. This region is highly vulnerable to tsunamis. The tsunami will disturb the habitat of organisms living in intertidal zone. Therefore, will result in decrease in abundance of aquatic organisms.

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The major contribution made by Avery, MacLeod, and McCarty was 'transformation of nonvirulent cells with a DNA extract was blocked only if DNase was added'. This observation supported the idea that the transforming agent in Griffith's experiment was DNA.

The Avery–MacLeod–McCarty experiment showed that DNA was the transforming agent observed in Griffith's experiment.

Griffith's experiment (1928) suggested that bacteria were capable of transferring genetic information (DNA) by a process of horizontal gene transfer called transformation.

While the bacteria were killed by heat, Frederick Griffith observed that the DNA had was taken up by II-R strain bacteria via transformation.

Avery–MacLeod–McCarty experiment observed that protease enzymes did not destroy the transforming agent (but DNAse destroyed this transforming principle), thereby suggesting that the transforming agent in Griffith's experiment was bacterial DNA.

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2 years ago
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Please help me with this question?!!!!!
jok3333 [9.3K]
All of them except pizza
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1. Predict Suppose a fungus killed a species of tree in a forest community. What might happen to the
Elodia [21]

Answer:

<u>The woodpeckers wouldn't have homes/shelters to keep themselves safe so they would slowly die out.</u>

Answer 2:

I'm pretty sure you can also say, <u>they would have to adapt to living in a new species of tree</u>

<u></u>

I hope this helped

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