Caroline decided to raise chickens for her 4-h project. during the year, caroline kept close watch on the health and habits of her chickens in the coop. in the hierarchy of life, caroline's chickens would comprise a
a. group.
b. habitat.
c. organism.
d. population.

d. population

Explanation:

Population is a group of individuals which belong to the same species and are capable of inbreeding and producing viable fertile offsprings.

The chicken kept in the coop can raise their own population by inbreeding.

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