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Pavel [41]
3 years ago
15

Need help on this question.

Biology
1 answer:
NARA [144]3 years ago
7 0

C. Population 3

The size of Population 3 is climbing from 8-12 years old while that of others are dropping down or remaining relatively unchanged. Greater birth-rate than the death rate means more babies born, less people pass away, and the whole population increases.

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Crossing over contributes to genetic variation by exchanging chromosomal segments between non-sister chromatids of homologous chromosomes.

What is crossing over?

  • Crossing over is the exchange and recombination of genetic components between the homologous chromosomes.
  • This occurs in the pachytene stage of the meiosis-1 of the meiotic division.
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Thus, crossing over contributes to genetic variation by exchanging chromosomal segments between non-sister chromatids of the homologous chromosomes.

Learn more about crossing over: brainly.com/question/927405

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Dense irregular connective tissue contains fibroblasts scattered amongst randomly oriented collagen fibers, whereas muscular tissues contain multinucleated muscle cells that are able to contract upon stimulation. Because the connective tissue cells cannot contract, the muscle will lose strength, and so muscle function will become impaired.

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Which of the structures are considered accessory organs in the digestive system?
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Explanation:

i hope this helps you

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