Question

question 20 of 25
which of these is a biotic factor in a coastal ecosystem?

a. salt

b. sunshine

c. sand

d. seeds

Explanation:

Biotic factors are living or once - living components of an ecosystem. Salt (A), sunshine (B), and sand (C) are non - living (abiotic) components. Seeds are part of a plant's reproductive structure and are related to living organisms, so they are a biotic factor.

Answer:

D. Seeds