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4th Grade 3rd Quarter
Test Description: A review for the 3rd quarter common assessment, covering ecosystems, food chains and webs, and
Instructions: Answer all questions to get your test result.
1) Explain why animals hibernate in the winter.
A
Both to conserve energy and because there is a lack of food in winter.
B
To conserve energy
C
There is a lack of food in winter.
D
To escape the cold
2) What do you think would change an ecosystem the least?
A
One organism dying out of the ecosystem
B
A hunting season
C
A forest fire
D
A plant disease
3) In an ocean, how could humans harm an ecosystem?
A
Dumping toxic chemicals
B
Oil spill
C
Over fishing
D
All of the answers
4) What does an herbivore eat?
A
Plants and animals
B
Just plants
C
Neiter plants or animals
D
Just animals
5) What do a carnivore and an omnivore have in common?
A
They both eat meat and plants.
B
They both eat plants.
C
Neither eats plants.
D
They both eat meat.
6) Why do animals migrate?
A
To escape a predator
B
To escape the cold
C
To find a job
D
To find food
7) Explain why a polar bear can survive in the arctic, but not in the desert
A
It's fur makes the desert too warm of a climate, but just right in the arctic.
B
For camouflage in the arctic, and to survive the cold weather.
C
It's fur doesn't camoflage with the desert environment, but it does in the arctic.
D
It's too big for the desert.
8) What is a food web?
A
A group of similar animals
B
A spider\'s home
C
A set of linked food chains
D
A group of ecosystems
9) What is the source of energy for all living things?
A
A battery
B
The Earth's core
C
The sun
D
A tree
10) What structural parts help a bird to survive?
A
A small stomach
B
Wings
C
Beak
D
Beak and Wings
*select an answer for all questions
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