One of the original amish colonies rose from a ship of colonists that came from europe. the ship’s captain, who had polydactyly, a rare dominant trait, was one of the original colonists. today, we see a much higher frequency of polydactyly in the amish population. this is an example of:

a. natural selection
b. genetic drift
c. founder effect
d. b and c

they each offer a fresh glut of resources to the organisms that can arrive and exploit them. as individuals and new species continue to appear, they actively and passively alter the environment. competition for shared resources increases, local abiotic and biotic conditions shift, and the relative abundances of species change accordingly. the process is called ecological succession, and it is one of the earliest and most well-known concepts in ecology.

a adaptation is when organism changes itself to fit the environment

ex. when its cold outside i wear a jacket

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