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Understanding Biodiversity Concept

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Questions and Answers

What does the term biodiversity refer to?

Variety of habitats only

Variety of ecosystems formed by plants and animals

Variety of life on Earth at all levels (correct)

Variety of genetic characteristics within a species

At which level can biodiversity be observed in terms of the variety of species in a given area?

Living communities

Habitats

Genetic characteristics within a species

Ecosystems (correct)

Why is biodiversity considered a global issue?

It only affects recreational activities worldwide

Human activities like pollution do not impact biodiversity globally

The alarming decline due to human activities poses threats to ecosystems globally (correct)

Loss of any species does not affect ecosystem functioning

In what way does biodiversity support human needs according to the text?

Through ensuring food and nutrition security Signup and view all the answers

What is the consequence of high biodiversity in an ecosystem?

Optimal ecosystem functioning Signup and view all the answers

What is the main reason why loss of biodiversity undermines ecosystems?

It reduces nature's resilience to change Signup and view all the answers

Which method is NOT used by scientists to measure biodiversity?

Satellite imaging Signup and view all the answers

What is the purpose of captive breeding and seed banks in biodiversity conservation?

To preserve endangered species Signup and view all the answers

What does alpha diversity measure in terms of biodiversity?

Biodiversity within a particular area, community, or ecosystem Signup and view all the answers

Which ecosystem is believed to have the highest biodiversity?

Coral reefs Signup and view all the answers