Phototrophs obtain their energy from ________.
A) producers
B) eating other organisms
C) light
D) chemicals in the environment
Correct Answer:
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Q16: The sun is composed mainly of _.
A)
Q17: About _ of the sun's incoming energy
Q18: _ of the sun's incoming energy forms
Q19: Photosynthesis requires _.
A) solar energy
B) carbon dioxide
C)
Q20: Chemoautotrophs and phototrophs are both _.
A) decomposers
B)
Q22: Approximately _ of energy is lost as
Q23: _ has same trophic level as an
Q24: Organisms that require access to oxygen to
Q25: As latitude decreases from the poles to
Q26: Life in Earth's oceans originated _ years
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