Biodiversity TedEd

What makes one ecosystem strong and another ecosystem weak?

• biodiversity

• biology

• plants

• animals

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Which feature(s) make up biodiversity?

Check all that apply

• species diversity

• ecosystem diversity

• genetic diversity

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Which ecosystem has the most biodiversity?

• Rain forest ecosystem

• Arctic Tundra ecosystem

• Desert ecosystem

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Which species are more susceptible to extinction?

• High genetic diversity

• Low genetic diversity

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If one species in the rain forest went extinct and was removed, how would it impact the ecosystem?

• The rain forest ecosystem would fall apart

• The rain forest has many different species so it would survive

• The food web would unravel

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Why are coral reefs so important?

• Provides a habitat

• Provides food

• Provides protection

• All of the above

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What is a keystone organism?

• A very important organism in an ecosystem that other organisms depend on

• A producer

• Not very important to the ecosystem and other organisms do not depend on it for survival

• A type of rock

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Which one of these are harming the coral reef ecosystem?

Check all that apply

• Pollution

• Fishing

• Tourists

• Ocean acidification (caused by increasing co2)

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Which of these areas are the most biodiverse?

• A farm with 100 orange trees

• A farm with 50 orange trees and 50 lemon trees

• A backyard with 1 oak tree, 5 rose bushes, 2 tomato plants, 1 palm tree, and a plum tree

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