What is the primary focus of Peter Petraeus and his team's research?
Ecologists test stability of Maine ecosystem over 2 decades

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Science, Biology
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Studying the migration patterns of birds
Analyzing the stability of rocky intertidal ecosystems
Investigating the effects of pollution on marine life
Exploring the biodiversity of tropical rainforests
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenomenon are ecologists observing that can lead to a sudden change in community types?
Gradual climate change
Ecosystem switches
Human intervention
Seasonal variations
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which natural event is mentioned as a cause for ecosystem rebuilding on Swans Island?
Earthquakes
Volcanic eruptions
Winter storms
Droughts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What invasive species has contributed to the decline of mussel beds?
Green crabs
Lionfish
Asian carp
Zebra mussels
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key takeaway about the nature of ecosystems from the research?
Ecosystems are always stable and unchanging
Ecosystems can change abruptly and may not revert back
Ecosystems are unaffected by human activities
Ecosystems are predictable based on past data
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