8. Valves prevent blood from flowing backwards. Valves are located in the
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veins
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Biology, 21.06.2019 16:00
This is a coral reef ecosystem. many biotic and abiotic factors affect the health of this ecosystem. which set correctly pairs a biotic factor and an abiotic factor?
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Biology, 22.06.2019 18:20
Anybody know this. a haplontic cycle animal initially reproduces by: mitosis binary fission isogamous fertilization meiosis
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Biology, 22.06.2019 21:30
You sample a population of butterflies and find that 56% are heterozygous at a particular locus. what should be the frequency of the recessive allele in this population?
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