What is the primary reason sea otters have a large influence on marine ecosystems?

Sea Otters and Marine Ecosystems

Interactive Video
•
Biology
•
6th - 8th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Their size
Their grooming habits
Their role as predators
Their ability to swim fast
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do sea otters spend a lot of time grooming their fur?
To remove parasites
To maintain warmth and buoyancy
To look stylish
To attract mates
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much food do sea otters need to consume daily relative to their body weight?
50%
25%
15%
10%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What adaptation helps sea otters locate their prey?
Sensitive whiskers
Sharp claws
Large eyes
Strong tails
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary role of kelp in marine ecosystems?
Attracting fish
Filtering water
Providing oxygen
Acting as a primary producer
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do sea otters help maintain the balance in kelp forests?
By providing shelter
By fertilizing the water
By controlling sea urchin populations
By eating kelp
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when sea urchins overgraze kelp forests?
Fish populations increase
An urchin barren forms
The ecosystem becomes more productive
The kelp grows faster
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