Practice Energy Flow & Food Chains (3) - Ecosystems

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8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is a producer?
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Think of plants!
Question 2.
What does the 10% Rule state?
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Remember the energy drop!
3Question 3.
What is the primary function of producers in a food chain?
- To consume other organisms
- To produce energy through photosynthesis
- To decompose dead matter
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Think about who makes their own food.
4Question 4.
True or False: Energy decreases by 50% at each trophic level.
- True
- False
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Consider the 10% Rule.
Question 5.
Design a food web including at least three organisms from different trophic levels and explain their interactions.
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Show who eats whom and use arrows for flow direction.
Question 6.
Analyze what might happen to a food web if a top predator is removed from the ecosystem.
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Think about balance in ecosystems!

4 more questions in this section. Enroll free to practise them all.