What is the function of heart valves?
They return blood to the heart.
They force blood t...
Biology, 19.05.2020 14:16 weeman6546
What is the function of heart valves?
They return blood to the heart.
They force blood to flow out of the heart.
They regulate the heart rhythm.
They prevent blood from flowing backwards.
Answers: 1
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Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other
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Some plants have reproductive structures that them reproduce using natural forces or animals. how does the reproductive structure shown here ensure the reproductive success of plants?
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The process of replication is the same for all living things because
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Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false
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