Biodiversity and Ecosystem Stability

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Which of the following is true about populations with low genetic diversity?

They are less likely to crash

They have a high genetic diversity

They have a large population size

They are more susceptible to genetic mutation (correct)

What does genome size refer to?

The number of species in an ecosystem

The number of niches in an ecosystem

The number of different ecosystems in an ecosystem

The amount of genetic material in a species' DNA (correct)

Why are cheetah populations decreasing?

Due to high genetic diversity

Due to high ecological biodiversity

Due to low genetic diversity (correct)

Due to large population size

What does ecological biodiversity measure?

The number of different ecosystems Signup and view all the answers

Why is high biodiversity beneficial for an ecosystem?

It allows for overlapping species in niches Signup and view all the answers

Which of the following is a major threat to biodiversity?

Habitat loss and degradation Signup and view all the answers

What is the importance of measuring biodiversity in an ecosystem?

To assess the health and stability of an ecosystem Signup and view all the answers

Which of the following is true about ecosystems with high biodiversity?

They are less susceptible to new problems Signup and view all the answers

What does deforestation pose as a threat to?

Habitat loss and degradation Signup and view all the answers

Why is it important to consider the scale of biodiversity?

To understand the diversity of ecosystems within a larger context Signup and view all the answers

Which type of biodiversity considers the total number of species within a given area?

Species biodiversity Signup and view all the answers

What is the estimated range of the total number of species present on Earth at any given time?

3.5 million to over 100 million species Signup and view all the answers

What does beta diversity measure?

The number of species that do not overlap between ecosystems Signup and view all the answers

What does genetic biodiversity consider?

The diversity of genomes within an ecosystem Signup and view all the answers

What is alpha diversity?

The total number of species within a defined area Signup and view all the answers

Biodiversity and Ecosystem Stability

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