Exercise
Form 12: Matter Cycling vs Energy Flow
In this engaging exercise, students will explore the intricate relationship between matter cycling and energy flow within ecosystems, using interactive diagrams and real-world scenarios to illustrate how these processes sustain life on Earth. Through hands-on activities, learners will compare and contrast the pathways of matter and energy, deepening their understanding of ecological balance and sustainability.
Questions
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MultiChoice
Which statement correctly contrasts energy and matter in ecosystems?
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MultiChoice
Why can matter cycle infinitely through an ecosystem?
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MultiChoice
Why must energy be constantly replenished by the Sun in ecosystems?
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MultiChoice
Which process moves carbon from the abiotic environment into living organisms?
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MultiChoice
Which process returns carbon from living organisms back to the abiotic environment?
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MultiChoice
Nitrogen-fixing bacteria play a major role in cycling nitrogen for use by:
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MultiChoice
What form does lost energy take as it leaves a food web?
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MultiChoice
The Law of Conservation of Mass states that in ecosystems, matter is:
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MultiChoice
How do animals obtain the nitrogen needed for protein synthesis?
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MultiChoice
Which cycle relies heavily on evaporation, condensation, and precipitation?
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MultiChoice
Which organism links the biotic and abiotic parts of the nutrient cycle by decomposing waste?
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MultiChoice
Unlike matter, energy entering an ecosystem eventually: