
Trophic Levels and Feeding Relationships

Flashcard
•
Science
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an energy pyramid?
Back
A diagram that compares energy used by different trophic levels, illustrating the energy flow in an ecosystem.
2.
FLASHCARD QUESTION
Front
Define a food chain.
Back
A linear sequence of organisms through which nutrients and energy pass as one organism eats another.
3.
FLASHCARD QUESTION
Front
Why do energy pyramids and biomass pyramids usually have a similar shape?
Back
The amount of biomass on any level cannot be greater than the available energy can support.
4.
FLASHCARD QUESTION
Front
What organism is in the second trophic level in the food chain: producer --> herbivore --> omnivore --> carnivore?
Back
Herbivore.
5.
FLASHCARD QUESTION
Front
What does biomass refer to?
Back
The total mass of the organisms in a given area.
6.
FLASHCARD QUESTION
Front
What is a trophic level?
Back
A specific level in a food chain or food web, representing the position of an organism in relation to the flow of energy and nutrients.
7.
FLASHCARD QUESTION
Front
What is a food web?
Back
A complex network of feeding relationships among various organisms in an ecosystem.
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