Ecosystem and Keystone Species Quiz
Authored by Ashley Cody
Science
10th Grade
NGSS covered
Used 6+ times
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13 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
A keystone species is a plant or animal that plays a unique and (a) role in an ecosystem.
Tags
NGSS.MS-LS2-4
2.
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30 sec • 1 pt
(a) species, such as vultures, are also controlled by the activity of the mountain lion because lions leave behind carcasses for them to feed on.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
3.
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30 sec • 1 pt
A keystone species' disappearance would start a (a) effect.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-2
4.
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30 sec • 1 pt
Some species of hummingbirds are keystone species in the Sonoran Desert of North America. Hummingbirds pollinate native cactus. In areas of the Sonoran Desert with few hummingbirds, (a) species such as buffelgrass have taken over the ecosystem.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-2
NGSS.MS-LS2-1
5.
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30 sec • 1 pt
Ultimately, the area had less (a) than before the sea stars were removed.
Tags
NGSS.MS-LS2-4
6.
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30 sec • 1 pt
If the otters didn't eat the urchins, the urchins would (a) the habitat's kelp.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-2
NGSS.MS-LS2-3
7.
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30 sec • 1 pt
With elephants to control the tree population, grasses (a) and sustain grazing animals such as antelopes, wildebeests, and zebras.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
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