Energy flow in ecosystems
Flashcard
•
Science
•
7th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What happens to 90% of the energy as you move from one trophic level to the next?
Back
It is metabolized and 'lost' as heat energy and waste.
2.
FLASHCARD QUESTION
Front
What are organisms that make their own food called?
Back
Producers.
3.
FLASHCARD QUESTION
Front
What are organisms that obtain energy by feeding on other organisms called?
Back
Consumers.
4.
FLASHCARD QUESTION
Front
What is the bottom level of the energy pyramid composed of?
Back
Producers.
5.
FLASHCARD QUESTION
Front
In ecological organization, what do all the Bull Frogs and all the fish in a pond represent?
Back
A community.
6.
FLASHCARD QUESTION
Front
What is the term for the flow of energy through an ecosystem?
Back
Energy flow.
7.
FLASHCARD QUESTION
Front
What role do decomposers play in an ecosystem?
Back
They break down dead organisms and recycle nutrients.
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