Multiple Choice
An ecosystem is a community of ____ producers and ____ consumers that interact with one another and with their nonliving environment.
A) energy-consuming; energy-producing
B) primary; secondary
C) autotrophic; heterotrophic
D) heterotrophic; autotrophic
E) nutrient cycling; heat producing
Correct Answer:
Verified
Correct Answer:
Verified
Q14: The _ cycle is a sedimentary cycle.<br>A)carbon<br>B)water<br>C)nitrogen<br>D)phosphorus<br>E)calcium
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
Q20: The bottom or base of an energy
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