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Daniel [21]
3 years ago
9

Eukaryotic chromosomes are composed of ____________ , a combination of both DNA and structural proteins. These structural protei

ns are called ____________ .
Biology
1 answer:
vladimir1956 [14]3 years ago
8 0
Don’t know the answer to the first one but the last one should be histones
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Which alternate energy source would be expected to be the least dependent upon the weather
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The answer to this question would be geothermal power.
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3 years ago
An elephant has a long, powerful trunk. According to the ideas of Lamarck, how did the trait of long, powerful trunks develop in
Lubov Fominskaja [6]

Answer:

Gradually, as generations of elephants continued to selectively use and develop their trunks.

Explanation:

Jean-Baptiste Lamarck was  famous French Naturalist. He was a soldier, a biologist and an academic. He gave an early theory of evolution known as the theory of Lamarckism.

It was Lamarck who first believed that elephants earlier had small trunks. But eventual when there was scarcity of food and water, the elephants stretched out its trunk to reached out for food such as trees and also water. And as a result their offspring inherited long and powerful trunk.

In his theory of Lamarckism, he believed that the species passes on its traits to the offspring which they acquired through their use in their lifetime. In this case, the elephants might have used their trunks in such a way that they became long and strong over time and they passed tis trait to their babies.

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3 years ago
What is the difference between bioaccumulation and biomagnification?
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Bioaccumulation refers to the accumulation of a toxic chemical in the tissue of a particular organism.
Biomagnification refers to the increased concentration of a toxic chemical the higher an animal is on the food chain.
3 0
3 years ago
HELP!!! NEED HELP!!!
Pavel [41]

ab is the answer please give me brainleist answer

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