Multiple Choice
Energy flow in an ecosystem is not cyclic because energy is
A) destroyed as it is used.
B) evenly spread out over many organisms.
C) converted to many kinds of useful energy.
D) increased as you go up the energy pyramid.
E) converted to heat, which is no longer useful.
Correct Answer:

Verified
Correct Answer:
Verified
Q8: Consider the following food chain: hawk -
Q9: A small marine amphipod has recently been
Q13: As animals take in food energy,approximately 10%
Q17: What is the correct order of events
Q20: All the populations of all the different
Q26: Which of the following statements about the
Q29: Ecologist Robert MacArthur observed that five species
Q46: Organisms in all trophic levels may be
Q50: In a grazing food chain,<br>A)primary consumers eat
Q55: Primary succession takes much longer than secondary