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Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.
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Which of the following organisms are capable of self-fertilization? a.plants b.tigers c.humans
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Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?
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Biology, 23.06.2019 00:00
The footprint of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils a.body b.amber c.trace d.index
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Where is the site of protein synthesis...
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