astultz309459
27.05.2021 •
Biology
Which statement best describes how plants and animals MOST affect oxygen levels in Earth's atmosphere?
A.
Plants add oxygen through photosynthesis and animals remove oxygen through cellular respiration.
B. O Plants add oxygen during decomposition and animals remove oxygen during cellular respiration.
C.
Plants remove oxygen through cellular respiration and animals add oxygen during decomposition.
D.
Plants remove oxygen during photosynthesis and animals add oxygen during decomposition.
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Ответ:
Explanation:
Food chains show energy transfer between organisms. The size of a food chain can vary, yet there is a limit to the number of levels that a food chain can reach.
A large amount of energy is lost at each level, so there has to be a limit on the number of each trophic levels.