Biology, 26.02.2021 22:50 silveryflight
the human digestive system contains bacteria which aide in digestion for the human as well as vitamin production. the bacteria receive a home and food. this is an example of which type of symbiotic relationship?
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What makes a dominant allele different from a recessive allele
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Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.
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Approximately how many times does an average human heart beat in a lifetime?
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the human digestive system contains bacteria which aide in digestion for the human as well as vitami...
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