Which organisms form the base of all ecosystems?
A B C D
scavengers producers consumers decomposers
Question: Which organisms form the base of all ecosystems?
(A) scavengers
(B) producers
(C) consumers
(D) decomposers

Answer: (B) producers
Answer: (A) scavengers
Question: Which organisms form the base of all ecosystems?
(A) scavengers
(B) producers
(C) consumers
(D) decomposers
Answer: (B) producers