Multiple Choice
How are matter and energy used in ecosystems?
A) Matter is cycled through ecosystems; energy is not.
B) Energy is cycled through ecosystems; matter is not.
C) Energy can be converted into matter; matter cannot be converted into energy.
D) Matter can be converted into energy; energy cannot be converted into matter.
E) Matter is used in ecosystems; energy is not
Correct Answer:

Verified
Correct Answer:
Verified
Q48: Which of these ecosystems has the lowest
Q50: Subtraction of which of the following will
Q64: Burning fossil fuels releases oxides of sulfur
Q66: The main cause of the increase in
Q67: How does inefficient transfer of energy among
Q68: Which of the following causes an increase
Q70: In the nitrogen cycle, the bacteria that
Q71: If the flow of energy in an
Q73: Aquatic ecosystems that are most readily damaged
Q77: The amount of chemical energy in consumers'