ramoanj
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A species of fish is unintentionally introduced into a marine ecosystem. The species has a similar diet to an existing fish species creating competition on for food. According to Darwin's theory of evolution by natural selection, which of the following must occur for the existing species to evolve?

how do I explain the answer: natural variations in phenotype must be present in the existing species population.

Respuesta :

food101yum
A speices usaully can only breed with the same species unless it is done in a lab with their DNA and sometimes that doesnt work
ansleigh2418

Answer:

i think it would be natural variations but let me take the test and see

Explanation:

Natural variations in phenotype must be present in the existing species' population.

this is right i took the test and i got three pointd for getting it right so yeah thanks for giving me a heads up btw

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