Understanding Energy Pyramids Flashcard
Flashcard
•
Biology
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to the remaining 90% of energy not transferred to the next trophic level?
Back
It is lost as heat or used for life processes.
2.
FLASHCARD QUESTION
Front
If a grassland ecosystem has 10,000 kJ of energy at the producer level, how much energy is available to primary consumers?
Back
1,000 kJ
3.
FLASHCARD QUESTION
Front
What does a numbers pyramid represent in an ecosystem?
Back
The number of individual organisms at each trophic level.
4.
FLASHCARD QUESTION
Front
What does a biomass pyramid show?
Back
It shows the total mass of living matter at each trophic level.
5.
FLASHCARD QUESTION
Front
What is the typical percentage of energy transferred from one trophic level to the next?
Back
10%.
6.
FLASHCARD QUESTION
Front
Define an energy pyramid.
Back
A graphical representation showing the energy available at each trophic level in an ecosystem.
7.
FLASHCARD QUESTION
Front
What is a trophic level?
Back
A position in a food chain or food web, representing the flow of energy and nutrients.
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