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The significant degrees of association in the body, from the least difficult to the most perplexing are: particles, atoms, organelles, cells, tissues, organs, organ frameworks, and the human living being.
Answer:
The first human ancestors appeared between five million and seven million years ago, probably when some apelike creatures in Africa began to walk habitually on two legs. They were flaking crude stone tools by 2.5 million years ago. Then some of them spread from Africa into Asia and Europe after two million years ago.
Answer:
I think that ice cream melts faster than ice
Explanation:
i think 'Primer-blast' can
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Explanation:
Is there a picture you forgot to post with the question?
In the problem you mention, which I assume comes from the study of finches in the Galapagos, some birds evolved to have different beaks, depending on the food available. Depending on what kind of seeds there are, different beak sizes were selected for, with those with the right fit eventually winning out over the rest on the individual islands.