The main source of energy in any ecosystem is—

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• C-13-Q074What percentage of the sun's energy reaching earth do green plants store through photosynthesis?
• C-13-Q075Energy produced by photosynthesis is primarily stored as—
• C-13-Q076Energy returns to the environment mainly through the activities of—
• C-13-Q077Which of the following best describes energy transfer in a food chain?
• C-13-Q078If the number of trophic levels in an ecosystem is low, energy waste—
• C-13-Q079Every step of a food chain is called—
• C-13-Q080Which trophic level do producers represent?
• C-13-Q081Herbivorous animals (primary consumers) represent which trophic level?
• C-13-Q082Generally, what percentage of stored energy is transferred from one trophic level to another?