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Dahasolnce [82]
3 years ago
13

What is believed to have caused people to first move out of Africa? Where did they go?

Biology
1 answer:
Free_Kalibri [48]3 years ago
3 0
Biological or genetic changes caused migration

They went to Eurasian landscapes
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In your own words define what "Social Darwinism" is. How did this theory allow or promote imperialism?
Yuliya22 [10]
"Social Darwinism<span> is a modern name given to various theories of society that emerged in the United Kingdom, the United States, and Western Europe in the 1870's, and which are claimed to have applied biological concepts of natural selection and survival of the fittest to sociology and politics", so, in therory, it would allow AND promote imperialisim, as many people are not within the same level of society.</span>
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ribose sugar is used to make nucleic acid however, it is not formed directly in photosynthesis but is formed from glucose. How d
Ilia_Sergeevich [38]

Answer: Ribose is synthesized from glucose and other monosaccharide molecules in living cells by a process known as pentose phosphate pathway. The pentose phosphate pathway is a series of chemical reactions taking place in the cytosol of cells.

5 0
3 years ago
I need to know which are prokaryotes and which are eukaryotes please!
nirvana33 [79]

9. P

10. E

11. E

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hope this helped! :)

3 0
3 years ago
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belka [17]
A.The way plant pollen is carried by wind to another plant.
8 0
3 years ago
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How does facilitated transport (facilitated diffusion) help a cell maintain homeostasis?
7nadin3 [17]
Diffusion is when particles move from an area of high concentration to an area of low concentration. Think of it like a little kid party with two bouncy houses. Let's say that both bouncy houses have the same number of kids, but then half of the people in one bouncy house decide to go get lunch. Then one bouncy house is really full and the other almost empty! So you move to the empty bouncy house so you have more space to jump. This is diffusion. So it helps homeostasis because (back to the bouncy house example) you helped even out the two bouncy houses. Now let's say the kids come back from lunch. Now that bouncy house is too crowded so you move back to the now-emptier one. This is diffusion and you would be helping maintain homeostasis, or an equal level, in both bouncy houses.
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