Crabs Put The Pinch On Marshlands
Interactive Video
•
Science, Geography, Biology
•
11th Grade - University
•
Medium
Wayground Content
Used 2+ times
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What has caused the increase in purple marsh crab populations in Cape Cod marshes?
A rise in water temperatures
An increase in available food sources
A decrease in human activity
A decline in their natural predators
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do salt marshes play in coastal environments?
They are a source of fresh water
They serve as a critical storm barrier and filter nutrients
They are primarily used for recreational activities
They are used for agricultural purposes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What method does Mark Bertness use to study the impact of purple marsh crabs?
He conducts laboratory experiments with controlled conditions
He sets up experiment stations and predator traps
He observes them in their natural habitat without interference
He uses satellite imagery to track their movements
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does recreational fishing impact the health of salt marshes?
It depletes the waters, affecting the ecosystem balance
It introduces pollutants that harm the marshes
It increases the number of predators in the area
It has no significant impact on marsh health
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to understand the link between fishing activities and marsh health?
To increase tourism in the area
To ensure the sustainability of both fisheries and marshes
To improve fishing techniques
To develop new recreational areas
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