Which of the following represents a biotic component of a hardwood forest in Pennsylvania?
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Hint 1.
Ecosystems include biotic and abiotic components.
O Cooler temperatures under a forest canopy
Sand at the edge of a stream
O Mushrooms under some leaves
O High moisture levels in the topsoil



Answer :

Final answer:

Mushrooms under leaves are a biotic component of a forest.


Explanation:

Mushrooms under some leaves represent a biotic component of a hardwood forest in Pennsylvania. Biotic components are living elements in an ecosystem, such as plants and animals, that interact with each other and their environment.


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