Multiple Choice
The bottom or base of an energy pyramid consists of ____.
A) primary producers
B) secondary producers
C) primary consumers
D) secondary consumers
E) tertiary consumers
Correct Answer:

Verified
Correct Answer:
Verified
Q15: Energy flow in an ecosystem is _.<br>A)cyclical<br>B)one-way<br>C)two-way<br>D)reversible
Q16: Match the trophic category to the correct
Q17: Wastes would accumulate and most nutrients would
Q18: Primary consumers eat _.<br>A)detritivores<br>B)decomposers<br>C)producers<br>D)other consumers<br>E)any organism that
Q19: An ecosystem is a community of _
Q21: When describing food webs, the term "everything
Q22: The uppermost layer of soil that is
Q23: The effect of nitrification is to _.<br>A)convert
Q24: Most of the energy within an ecosystem
Q25: Most fresh water _.<br>A)is frozen as ice<br>B)exists