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What has very thin walls to allow the nutrients and gasses to be exchanged between the blood and cells?
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The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these
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Biology, 22.06.2019 06:30
Aplant may open end close its stomata to prevent excess water loss and maintain
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Biology, 22.06.2019 13:40
1. -define adaptation2 explain darwin's theories of descent with modification and natural selection in detail3. -explain how each of these provides evidence for evolution: a. -fossil record, including superposition and transitional fossilsb-anatomy, including homologous structuresc-biological molecules, including dna and proteins4. -explain the difference between convergent and divergent evolution.5. -define and give three examples of artificial selection6. -define and give one example of coevolution.7. -explain biodiversity and how it benefits humans.8. -explain a type of population lest affected by environmental change.
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What has very thin walls to allow the nutrients and gasses to be exchanged between the blood and cel...
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