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meriva
3 years ago
9

Which are required for natural selection to occur

Biology
2 answers:
Damm [24]3 years ago
7 0
Four general conditions necessary for natural selection to occur<span> are: A. More organisms are born than can survive. B. Organisms vary in their characteristics, even within a species. D. Differences in reproduction and survival are due to variation among organisms.</span>
irakobra [83]3 years ago
3 0

Answer:

1. heritable variations for some traits

Explanation:

Assuming the options are:

  1. heritable variations for some traits
  2. the ability of an organism to improve a trait during its lifetime
  3. equal probability of survival for all offspring
  4. fewer offspring than the environment can support

there are four conditions are needed for natural selection to occur: reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population. If they are met, natural selection automatically results.

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Identifying the genetic sex of a child is based on finding intracellular Barr bodies that consist of inactive chromatin material.

Inactive chromatin material is the one where no transcription takes place. It is also known by the name heterochromatin. It appears as a dark condensed form in the chromatin.

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For the answer to the question above,

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Since land and water heat at different temperatures, the effects of this process creates climates. For instance, warm weather and moisture from oceans can create hurricanes. I hope this helps


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3 years ago
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Answer:

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When 10,000 molecules of ATP are hydrolyzed to ADP and i in a test tube, about half as much heat is liberated as when a cell hyd
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