Environmental Changes and Extinctions

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What is the estimated rate at which humans are destroying habitats such as rainforests for farmland?

12000 km² per year

8000 km² per year (correct)

4000 km² per year

10000 km² per year

What is a consequence of climate change on coral reefs?

They are unaffected

They are becoming more resilient

They are being destroyed (correct)

They are growing faster

How many species of freshwater fish became extinct in 2020?

16 (correct)

14

12

10

What is a reason why some species become extinct?

They cannot adapt quickly enough to changes in their environment Signup and view all the answers

What is a consequence of pollution from factories and sewage on rivers and ocean environments?

They are being destroyed Signup and view all the answers

What is a type of environment that is experiencing high extinction rates?

Tropical habitats Signup and view all the answers

What is a consequence of climate change on biodiversity?

It is leading to extinction of many species Signup and view all the answers

What is a reason why habitat destruction is a problem?

It is leading to extinction of many species Signup and view all the answers

What is a consequence of extinction on ecosystems?

It disrupts ecosystem services Signup and view all the answers

What is a reason why some extinction is important for life on earth?

It is a natural process that maintains ecosystem balance Signup and view all the answers

Environmental Changes and Extinctions

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Questions and Answers

What is the estimated rate at which humans are destroying habitats such as rainforests for farmland?

What is a consequence of climate change on coral reefs?

How many species of freshwater fish became extinct in 2020?

What is a reason why some species become extinct?

What is a consequence of pollution from factories and sewage on rivers and ocean environments?

What is a type of environment that is experiencing high extinction rates?

What is a consequence of climate change on biodiversity?

What is a reason why habitat destruction is a problem?

What is a consequence of extinction on ecosystems?

What is a reason why some extinction is important for life on earth?

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