Ecosystems Review Flashcard #2
Flashcard
•
Science
•
5th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a food chain?
Back
A food chain is a sequence that shows how energy and nutrients flow from one organism to another in an ecosystem, starting from producers to various levels of consumers.
2.
FLASHCARD QUESTION
Front
What are producers in an ecosystem?
Back
Producers are organisms, like plants, that create their own food through photosynthesis and form the base of the food chain.
3.
FLASHCARD QUESTION
Front
What happens to energy as you move up the energy pyramid?
Back
As you move up the energy pyramid, the amount of energy available decreases, meaning higher-level consumers receive less energy than those below them.
4.
FLASHCARD QUESTION
Front
What is a decomposer?
Back
A decomposer is an organism, such as bacteria or fungi, that breaks down dead organic material, returning nutrients to the soil.
5.
FLASHCARD QUESTION
Front
Give an example of a first-level consumer.
Back
A grasshopper is an example of a first-level consumer, as it eats plants (producers).
6.
FLASHCARD QUESTION
Front
What is competition in an ecosystem?
Back
Competition occurs when two or more organisms vie for the same resources, such as food, water, or habitat.
7.
FLASHCARD QUESTION
Front
What role do bacteria play in an ecosystem?
Back
Bacteria act as decomposers, breaking down dead matter and recycling nutrients back into the ecosystem.
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