Keystone Preparation
9th Grade
•25 Qs
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Keystone Preparation
Quiz
•
Science
•
9th Grade
•
Hard
+1
Standards-aligned
Lisa Thompson
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an example of a keystone species?
Cattle
Sea otter
Grass
Mosquito
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.
keystone
invasive
engineer
predator
Tags
NGSS.MS-LS2-4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is an example of a keystone species?
Cattle
Sea otter
Grass
Mosquito
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-4
NGSS.MS-LS2-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What role do keystone species play in an ecosystem?
They are the most abundant species.
They have a large impact on their environment relative to their abundance.
They are the largest species in the ecosystem.
They are the primary producers.
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-4
NGSS.MS-LS2-5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following is a characteristic of a keystone species?
They are always predators.
They can be any organism that has a disproportionate effect on its environment.
They are always herbivores.
They are always the most numerous species.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a marine ecosystem, which of the following could be considered a keystone species?
Coral
Shark
Seaweed
Plankton
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does the removal of a keystone species affect an ecosystem?
It has no effect.
It can lead to significant changes in the ecosystem structure.
It only affects the keystone species itself.
It benefits all other species.
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-4
NGSS.MS-LS2-5
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