Question

a spring - fed stream forms a pond that contains watercress plants, minnows, and crayfish. the pond receives 5 hours of direct sunlight every day. which of the following is an abiotic factor in this ecosystem?

the pond water
the watercress plants
the minnows
the crayfish

Explanation:

Abiotic factors are non - living components of an ecosystem. Pond water is non - living, while watercress plants, minnows, and crayfish are living (biotic) factors.

Answer:

the pond water