Clam shells such as the one shown in the photograph help build and shape
structures by providing the nutrients necessary to form reef frameworks.
Other organisms in the ecosystem depend on these structures. Which term
best describes the clam's role in its marine habitat?

A. Biotic factor

B. Abiotic factor

c. Protist

D. Producer

Respuesta :

The answer is A. Biotic factor because biotic factor means living things.