WVGSA Grade 8 Science Practice Questions - West Virginia General Summative Assessment Grade 8 Science Exam

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An aquatic food chain consists of phytoplankton -> zooplankton -> small fish -> osprey. If phytoplankton generate 50,000 joules of energy, how much energy reaches the osprey (tertiary consumer), assuming 10% energy transfer per level?

5,000 J 500 J 50 J 5 J

Correct Answer:

50 J

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