starprisha89 starprisha89

21-12-2022
Biology

contestada

Please help me asap ty!!
1. why do scientists who study evolution think of 20 million years as a short time
2. what does the statement extinction and speciation are both parts of evolution mean
3. how did there get to be such a great variety of life
tysm if you help me!!! pls make sure your answer is defo right :D

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