What is one of the main reasons for the decline in Dungeness crab populations?

Impact of Ocean Acidification on Crabs

Interactive Video
•
Biology, Science
•
7th - 10th Grade
•
Hard

Olivia Brooks
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Overfishing
Ocean acidification
Pollution
Habitat loss
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do Dungeness crabs primarily locate their food?
By sound
By smell
By touch
By sight
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What change in behavior is observed in crabs living in more acidic waters?
Increased antenna flicking
Decreased antenna flicking
More frequent swimming
Less frequent feeding
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
By what percentage have the sensory neurons in crabs shrunk due to ocean acidification?
75%
25%
10%
50%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the discovery of neuron shrinkage in crabs significant?
It indicates crabs are becoming more intelligent.
It shows crabs are evolving rapidly.
It is the first time such a change has been observed due to carbon dioxide.
It suggests crabs are adapting to new environments.
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