Why are plants so important to ecosystems?
describe an ecosystem and identify the diffe...
Why are plants so important to ecosystems?
describe an ecosystem and identify the different trophic levels.
describe what happens to energy as it is transferred through an ecosystem.
explain what happens in the carbon cycle, giving specific examples of some of the steps.
compare and contrast photosynthesis and cellular respiration.
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Which lists the organs in the correct order as food passes from the mouth to anus?
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The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2
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