What percentage of energy decreases as it moves up the energy pyramid?
Ecology Review

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Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
10%.
2.
FLASHCARD QUESTION
Front
Which organism can be classified into more than one trophic level according to the food web?
Back
Owl.
3.
FLASHCARD QUESTION
Front
What happens to grasshoppers if frogs become extinct?
Back
The grasshoppers will increase.
4.
FLASHCARD QUESTION
Front
What principle states that two species cannot coexist if they compete for the same resources?
Back
Competitive Exclusion Principle.
5.
FLASHCARD QUESTION
Front
What type of succession occurs on previously uninhabited land?
Back
Primary succession.
6.
FLASHCARD QUESTION
Front
Define 'trophic level'.
Back
A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.
7.
FLASHCARD QUESTION
Front
What is the role of producers in an ecosystem?
Back
Producers convert solar energy into chemical energy through photosynthesis.
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