Which of the following statements best explains why evolution by natural selection is considered a theory and not a hypothesis?

1 answer:

7 0

Natural selection provides the outline of an explanatory theory." Biologists consider it to be a scientific fact that evolution has occurred in that modern organisms differ from past forms, and evolution is still occurring with discernible differences between organisms and their descendants.

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N snails, the shell may either coil to the right or the left. coiling to the right is dominant. a homozygous recessive female sn

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So first off homozygous means that both alleles are the same
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We take a look at all the combinations and arrange them

So we find that there is a 25% chance of the offspring having left coiling

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