Phytoplankton (marine algae) obtain their energy from the Sun. What is their place in the food web?
(1 point)
Responses
A: second trophic level because it is a producer
second trophic level because it is a producer
B: first trophic level because it is a producer
first trophic level because it is a producer
C: second trophic level because it is a consumer
second trophic level because it is a consumer
D: first trophic level because it is a consumer