What is an energy pyramid?
#07Q Energy Flow in Ecosystems

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Science
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7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An energy pyramid is a graphical representation that shows the flow of energy through different trophic levels in an ecosystem, illustrating how energy decreases as it moves from producers to top predators.
2.
FLASHCARD QUESTION
Front
Who are the producers in an ecosystem?
Back
Producers are organisms, such as plants and phytoplankton, that create their own food through photosynthesis and form the base of the energy pyramid.
3.
FLASHCARD QUESTION
Front
What is a trophic level?
Back
A trophic level is a position in a food chain or energy pyramid that indicates the organism's role in the flow of energy, such as producers, herbivores, and carnivores.
4.
FLASHCARD QUESTION
Front
What is the role of herbivores in an ecosystem?
Back
Herbivores are organisms that consume plants (producers) for energy and are found at the second trophic level in the energy pyramid.
5.
FLASHCARD QUESTION
Front
What is the role of carnivores in an ecosystem?
Back
Carnivores are organisms that eat other animals (herbivores or other carnivores) for energy and are typically found at higher trophic levels in the energy pyramid.
6.
FLASHCARD QUESTION
Front
What is a decomposer?
Back
Decomposers, such as fungi and bacteria, break down dead organic matter, returning nutrients to the soil and completing the energy cycle in an ecosystem.
7.
FLASHCARD QUESTION
Front
How much energy is typically transferred from one trophic level to the next?
Back
Typically, only about 10% of the energy from one trophic level is transferred to the next level, with the rest lost as heat.
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