What is an ecosystem?
Ecosystems Summative Review

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Mathematics
•
4th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil) in a specific area.
2.
FLASHCARD QUESTION
Front
What role do producers play in an ecosystem?
Back
Producers, like plants, create their own food through photosynthesis and provide energy for consumers.
3.
FLASHCARD QUESTION
Front
What are consumers in an ecosystem?
Back
Consumers are organisms that eat other organisms for energy. They can be herbivores, carnivores, or omnivores.
4.
FLASHCARD QUESTION
Front
What is the function of decomposers?
Back
Decomposers break down dead organisms and waste, returning nutrients to the soil.
5.
FLASHCARD QUESTION
Front
How does a change in one population affect others in an ecosystem?
Back
Changes in one population can impact others due to interdependence; for example, if a predator's prey decreases, the predator's population may also decline.
6.
FLASHCARD QUESTION
Front
What happens if a species becomes extinct?
Back
If a species becomes extinct, it can disrupt the food web and affect the populations of other species that rely on it.
7.
FLASHCARD QUESTION
Front
What is a food web?
Back
A food web is a complex network of feeding relationships among organisms in an ecosystem.
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