
Food Chain, Webs and Pyramids
Flashcard
•
Biology
•
9th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a decomposer?
Back
An organism that breaks down dead organic matter into simpler substances, recycling nutrients back into the ecosystem.
2.
FLASHCARD QUESTION
Front
What is another name for a producer?
Back
Autotroph, which refers to organisms that produce their own food through photosynthesis or chemosynthesis.
3.
FLASHCARD QUESTION
Front
What is carrying capacity?
Back
The maximum number of individuals of a species that an environment can sustainably support.
4.
FLASHCARD QUESTION
Front
If there is 1000 Kcal available in the producers, how much energy is available in the herbivores?
Back
100 Kcal, as energy decreases at each trophic level due to energy loss.
5.
FLASHCARD QUESTION
Front
Which organisms have the most energy available in an energy pyramid?
Back
Producers, as they are at the base of the pyramid and convert sunlight into energy.
6.
FLASHCARD QUESTION
Front
What is a food chain?
Back
A linear sequence of organisms through which nutrients and energy pass as one organism eats another.
7.
FLASHCARD QUESTION
Front
What is a food web?
Back
A complex network of interconnected food chains in an ecosystem, showing how different organisms are related.
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