It's generally accepted that the first life on Earth was unicellular and, while autotrophic, did not have chlorophyll. Later multi-cellular, chlorophyll-bearing organisms evolved. Speculate on how amoeba-like organisms that lacked chlorophyll might have obtained the ability to use chlorophyll to capture the energy of the sun.
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Biology, 22.06.2019 07:30
Ture or false evidence for evolution includes millions of fossils
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Biology, 22.06.2019 10:30
Error analysis: what might be the reason that some of your percentages didn't exactly match your predicted results? gametes aren't responsible for inheritance. mice don't have large litters, so the sample size was not large enough. the wrong type of mice were used.
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Biology, 22.06.2019 20:00
The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport
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It's generally accepted that the first life on Earth was unicellular and, while autotrophic, did not...
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Mathematics, 26.03.2021 08:00
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Mathematics, 26.03.2021 08:00