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Lecture 6: Top 6 Major Threats to Biodiversity

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Lecture 6: Top 6 Major Threats to Biodiversity

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Questions and Answers

What is the primary importance of biodiversity in ecosystems?

To preserve fragile habitats and ecosystems

To maintain a balance between different species

To promote genetic diversity among individuals

To boost productivity in ecosystems where species depend on to live (correct)

What is the key aspect of biodiversity that is often overlooked?

Genetic diversity among individuals (correct)

Species diversity

Habitat diversity

Ecosystem diversity

Which of the following is an example of a man-made activity that affects biodiversity?

Climate change

Epidemics

Habitat loss and degradation (correct)

All of the above

Which of the following is NOT a level of biological organization that contributes to biodiversity?

Habitats Signup and view all the answers

What is the term that describes the variety of life forms on Earth?

Biodiversity Signup and view all the answers

What is the consequence of ignoring biodiversity?

Loss of ecosystem productivity Signup and view all the answers

What is the primary impact of climate change on ecosystems?

It expands many desert ecosystems Signup and view all the answers

What is the main reason for habitat loss and degradation?

Man-made efforts such as deforestation and industrial expansion Signup and view all the answers

What is the impact of climate change on the distribution of organisms?

It expands their ranges in latitudes Signup and view all the answers

What is the effect of rising temperatures on the timing of physiological functions in animals?

They migrate and mate earlier than usual Signup and view all the answers

What is the result of habitat loss and degradation on organisms?

It declines their population Signup and view all the answers

What is the overall impact of climate change on biodiversity?

It has irreversible impacts on biodiversity Signup and view all the answers