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In this marine community, the sea otter is a <em><u>Keystone Species.</u></em>
The basic components of culture are language, traditions and art.
Answer:
Each cell expresses, or turns on, only a fraction of its genes. The rest of the genes are repressed, or turned off. The process of turning genes on and off is known as gene regulation. ... Gene regulation also allows cells to react quickly to changes in their environments.
Correct answer choice is :
<h2>A) Political</h2><h2 /><h3>Explanation:</h3><h3 />
The most popular cause for emigration from anywhere is to escape war, but many people specifically come to America for an opportunity to enjoy a better life. Severe affliction suggested many people left to America to escape. Poverty and famine struck also pushed many to the U.S.A where the market was flourishing.
