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Question description

James wants to create a self-sustaining ecosystem, or vivarium. Which method would most likely result in an ecosystem that is viable for the longest amount of time with no additional care?


Which component of the earth’s atmosphere is decreased due to photosynthesis?


Sheela wants to make a computer model of a land ecosystem. Part of her model simulates the chemical processes of photosynthesis that involve the creation of sugars. Which chemical processes are these?


A scientist hypothesized that oxygen atoms from both carbon dioxide and water are used to make glucose during photosynthesis. However, experimental results using oxygen isotopes showed that all of the oxygen from the water ended up in the oxygen molecules that were produced. None of the oxygen from water was found in glucose. 

What should the scientist do to best gain scientific understanding of this topic?


Which statement summarizes the main purpose of photosynthesis?


Which statement best describes the relationship of photosynthesis and energy?


Which statement best describes what a thylakoid does during photosynthesis?


If the number of photosynthetic organisms on the earth decreased drastically, which would happen as a result?


How are the products represented in the chemical equation for photosynthesis?


Tutor Answer

(Top Tutor) Daniel C.
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School: Cornell University
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