Most organisms ardependent upon plants because
A) plants produce oxygen as a by-product of photosynthesis.
B) as producers, they form the base of food chains.
C) they function to prevent erosion and reduce desertification.
D) as they remove carbon dioxide from the atmosphere, they reduce the problems generated by the greenhouse effect.
E) all of these apply.
Correct Answer:
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Q18: Detritivores are
A) bacteria.
B) plants.
C) fungi.
D) animals.
E) both
Q72: An array of organisms together with their
Q73: Which of thfollowing statements is FALSE?
A)Heat loss
Q75: Decomposers
A)are able to enter the food chain
Q76: Which of thfollowing is a primary consumer?
A)fox
B)cow
C)hawk
D)wolf
E)snake
Q78: Biological magnification refers to the
A)increase in size
Q79: Which of thfollowing is NOT dependent on
Q80: Which of thfollowing is NOT truof ecosystems?
A)Although
Q81: Nitrogen is releaseinto thatmospherby
A)nitrogen fixation.
B)denitrification.
C)nitrification.
D)ammonification.
E)decomposition.
Q82: Thsimplfoochain, grass >>> zebra >>> lion provides
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