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What flows through the ecosystem while matter cycles within them?

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What flows through the ecosystem while matter cycles within them?

(a) Energy

(b) Force

(c) Pressure

(d) Wind

I got this question at a job interview.

This interesting question is from Structure and Functions of an Ecosystem topic in portion Ecosystems of Energy Management

1 Answer

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The correct answer is (a) Energy

The explanation: Ecosystem maintains themselves by cycling energy and nutrients obtained from external sources. At the first tropic level, primary producers are solar energy to produce organic plant material through photosynthesis.

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