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_________trees drop their leaves in response to decreased water availability.
Q3: Organisms that produce their own food in
Q6: Which of the following is an important
Q12: Most bacteria can reproduce very quickly, so
Q30: Earth's ozone layer is extremely important because
Q58: Within their territory, pack animals such as
Q71: The Atlantic Ocean gyre moderates the climate
Q72: How do bulk flow and diffusion interact
Q72: Iron is a limiting factor in many
Q80: The respiratory center is very sensitive to
Q83: The mucus that traps dust particles in