human
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?

Choices:
A) the pond water
B) the watercress plants
C) the minnows
D) the crayfish
gpt
The correct answer is 0: the pond water.