Answer:
Change in food source.
Explanation:
If there is a change in food source, then the organism will have to adapt to that change. For example, with Darwin's Theory on the finches on the Galapagos Islands. There were many different varieties from different size to different beaks. This was because of changes on food sources and they adapted to obtain them more.
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Yes they will google the reason
Contents of the model cell will change color.
hope this helps
A single random allele from each pair of parent alleles will be passed on to the gamete.