Scientists visiting a remote island find two species of birds that appear nearly identical except for bill size. the species with the larger bill eats large seeds, and the species with the smaller bill eats small seeds. according to genetic evidence, the two species are extremely closely related to each other. which of the following is the most likely explanation of the different bill sizes in these species?

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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