Practice Energy Pyramid (3.4) - Ecology and Ecosystems - IB MYP Class 10 Sciences (Group 4)

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9 questions

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3 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
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What percentage of energy is transferred from one trophic level to the next?
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Remember the acronym 'TEN'.
Question 2.
What are producers?
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They usually perform photosynthesis.
3Question 3.
What is the primary role of producers in an energy pyramid?
- To provide energy for primary consumers
- To be the last link in the food chain
- To lose energy
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Producers are at the base of the pyramid.
4Question 4.
True or False: Energy is completely transferred from one trophic level to the next.
- True
- False
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Remember the energy loss we discussed.
Question 5.
If an ecosystem has a total energy input of 50,000 kcal at the producer level, calculate how much energy would be available at the secondary consumer level.
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Consider the energy loss at each level.
Question 6.
Discuss how the removal of a keystone species might impact the energy pyramid in an ecosystem.
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Think about the roles species play in an ecosystem.

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