Ecosystems, Food Chains & Food Webs

Flashcard
•
Science
•
4th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What role do decomposers play in an ecosystem?
Back
Decomposers break down the wastes and remains of living things, returning nutrients to the soil.
Tags
NGSS.MS-LS2-3
2.
FLASHCARD QUESTION
Front
What is a producer in an ecosystem?
Back
A producer is an organism that can make its own food, typically through photosynthesis, such as grass.
Tags
NGSS.MS-LS1-6
3.
FLASHCARD QUESTION
Front
Where do producers get their energy from?
Back
Producers get their energy from the Sun.
Tags
NGSS.MS-LS1-6
4.
FLASHCARD QUESTION
Front
What impact did the reentry of wolves have on the elk and bison populations in Yellowstone National Park?
Back
The reentry of wolves helped decrease the overabundant elk and bison populations.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
5.
FLASHCARD QUESTION
Front
What does it mean when a population is described as scarce?
Back
A population is described as scarce when it becomes too small or few in number due to natural or man-made causes.
6.
FLASHCARD QUESTION
Front
What is a food chain?
Back
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
Tags
NGSS.MS-LS2-3
7.
FLASHCARD QUESTION
Front
What is a food web?
Back
A food web is a complex network of interconnected food chains in an ecosystem.
Tags
NGSS.MS-LS2-3
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