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lana [24]
3 years ago
12

Saint Bernards and Chihuahuas (two breeds of domestic dogs) cannot mate normally owing to great difference in size. Thus they ar

e reproductively isolated to some extent. What type of isolating mechanism is operating here? * o developmental O postzygotic prezygotic O geographic​
Biology
1 answer:
maria [59]3 years ago
3 0

Answer:

AU9NJ-BLVHV-TCLJS-54YTB

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Answer:

What is true of natural selection? A. Natural selection is a random process. B. Natural selection creates beneficial mutations. C. The only way to eliminate harmful mutations is through natural selection. D. Mutations occur at random; natural selection can preserve and distribute beneficial mutations.

The answer is D

Explanation:

natural selection  can simply be explained as  individuals that have specific  inheritable traits will most likely tend to adapt and survive  and as well reproduce at higher rates than others. mutation  occurs when the nucleotide sequence of an organism  changes. so natural selection can preserve and distribute beneficial mutations.

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kozerog [31]
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igor_vitrenko [27]
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