Keystone Species

Quiz
•
Science
•
9th Grade
•
Hard
+2
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to the savanna if elephants are not present?
It becomes a forest.
It becomes a desert.
It becomes a lake.
It becomes a mountain.
Tags
NGSS.MS-LS2-1
NGSS.MS-LS2-4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A species form that supports an entire ecosystem.
Keystone Species
Herbivores
Umbrella Species
Predators
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is a keystone species?
A species that helps to hold an ecosystem together
A species that lives in or around rocks
Keys and stones have nothing to do with ecology
A keystone isn't a living thing, it's just a stone
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-4
NGSS.MS-LS2-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are bees considered a keystone species?
The honey they make supports the bear population
They pollinate flowers that produce fruit which supports the ecosystem
They sting when threatened
They live in hives
Tags
NGSS.MS-LS2-2
NGSS.MS-LS2-4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Why are some sharks considered a keystone species?
Because they are a top predator
They scare off smaller fish that may overgraze an area of sea grass
They are tertiary consumers
They are cartilaginous
Tags
NGSS.MS-LS2-4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one of the following keystone examples is a keystone predator found in the tidal pools of northwestern North America and was the species that launched Robert Paine’s keystone species concept?
starfish
sea otters
beavers
wolves
elephants
Tags
NGSS.MS-LS2-4
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which one of the following keystone examples play a vital role in the health of coastal kelp forests?
starfish
sea otters
beavers
wolves
elephants
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
NGSS.MS-LS2-5
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