Affiliate Marketing Secrets

1) The feeding relationships among plants and animals and among various animals in a biotic community is called a:
A) biomass.
B) food web.
C) trophic level.
D) niche.
E) symbiosis
2) Which of the following is NOT a consumer?
A) an oak tree
B) a fish
C) a deer
D) a clam
E) an insect

1. why do clams releases so much eggs and sperm when really only a few of them actually develop?
2. what role does a clam play in its niche