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tia_tia [17]
3 years ago
14

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.
Biology
1 answer:
kifflom [539]3 years ago
3 0

Answer:

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.

Explanation:

Natural selection is a mechanism for the evolution of populations under the changed climatic conditions. The presence of genetic variations is a required factor for natural selection. As the conditions of habitat are changed, some of the genetic traits become more beneficial for individuals than the other.

The individuals of the population with beneficial adaptive traits have increased survival and reproductive success. On the other hand, the individuals that lack those adaptive genetic traits have reduced survival. Individuals with increased survival success leave more progeny. Over generations, a new population evolves that has the most number of individuals with beneficial genetic traits.

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Answer:

The question: Do mice live longer when they are fed high sugar diets?

Hypothesis: There are two hypothesis the null hypothesis which we assume is correct, it states that a high sugar diet will have no effect on the life span of a mouse and an alternate hypothesis that we accept if evidence shows that sugar does increase the life span if mice. It says a high sugar diet does incerease the life span of mice.

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Collect data through experimentation. Use some mice as a 'control'. These mice will not undergo any changes but will be kept for comparison. Expose some other mice to high sugar diets and the compare the outcome with the 'control' mice.  

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Hope this helps :)

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Within a seed, the embryo consists of a root and seed leaves, these seed leaves are called.
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Why do so many (~30%) gorilla babies die within the first few months of their lives?
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