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Ede4ka [16]
3 years ago
9

Two squirrel varieties (the Abert squirrel and the Kaibab

Biology
1 answer:
Katarina [22]3 years ago
3 0

Answer:

B. Disruptive Selection

Explanation:

the population is divided into two distinct groups, or is disrupted so the gentics start to vary between the separted populations over time.

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Two women are comparable in age, body conformation, and are pregnant at the same time, but one experiences stretch marks, while
adell [148]

The question is incomplete as it does not have the options which are:

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The woman with stretch marks has a greater collagen-to-elastic fiber ratio.

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3 years ago
Providing immunity by injecting the body with a weakened form a pathogen is known as
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Answer:

vaccination

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The vaccination has been one of the most revolutionary inventions in the medical field. This invention helped protect people from numerous diseases, some being totally neutralized, while some having only minor effects on the human body. The vaccination basically is a way of enhancing the immune system of the body by injecting in it a weakened form of the pathogen. In this way, the weakened form of the pathogen is not capable to harm the body, and the body is not fighting against it, but instead the pathogen becomes part of the body and its defense mechanism, so when the pathogen strikes, the body has a counter attack and defeats it.

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