HMH Unit 3, Lesson 3

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Science
•
5th Grade
•
Hard
+6
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What factors can lead to an increase in a deer population in a forest ecosystem?
Back
A decrease in predators or an increase in food availability can lead to an increase in the deer population.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
2.
FLASHCARD QUESTION
Front
What is the impact on eagle populations if the number of snakes decreases?
Back
Eagle populations will initially decrease if there are fewer snakes.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-2
NGSS.MS-LS2-4
3.
FLASHCARD QUESTION
Front
What is the primary source of energy in a food chain?
Back
The sun is the original source of energy in every food chain.
Tags
NGSS.MS-LS1-6
4.
FLASHCARD QUESTION
Front
How do frog populations respond to a decrease in snake populations?
Back
Frog populations will initially increase if there are fewer snakes.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-2
NGSS.MS-LS2-4
5.
FLASHCARD QUESTION
Front
What role do decomposers play in an ecosystem?
Back
Decomposers, such as bacteria, break down dead organic matter, recycling nutrients back into the ecosystem.
Tags
NGSS.MS-LS2-3
6.
FLASHCARD QUESTION
Front
Define 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-LS1-6
NGSS.MS-LS2-3
7.
FLASHCARD QUESTION
Front
What is the difference between a predator and a prey?
Back
A predator is an organism that hunts and eats other organisms (prey), while prey is the organism that is hunted.
Tags
NGSS.MS-LS2-2
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