
Flow of Energy
Flashcard
•
Biology
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the primary source of energy in an ecosystem?
Back
The sun.
2.
FLASHCARD QUESTION
Front
What term describes the flow of energy through an ecosystem as organisms consume one another?
Back
Flow of energy.
3.
FLASHCARD QUESTION
Front
What is a food web?
Back
A complex network of feeding relationships in an ecosystem, illustrating how energy and nutrients flow between organisms.
4.
FLASHCARD QUESTION
Front
What are autotrophs?
Back
Organisms that produce their own food, typically through photosynthesis, and are found at the bottom trophic level.
5.
FLASHCARD QUESTION
Front
What are producers in an ecosystem?
Back
Autotrophs that generate energy for themselves and other organisms by converting sunlight into food.
6.
FLASHCARD QUESTION
Front
What are abiotic factors?
Back
Non-living components of an ecosystem, such as water, soil, sunlight, temperature, and altitude.
7.
FLASHCARD QUESTION
Front
What is an ecological pyramid?
Back
A graphical representation showing the distribution of energy or biomass among trophic levels in an ecosystem.
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