BIODIVERSITY TEST REVIEW

Front

What is the current rate of species extinction attributed to?

Back

The actions of humans.

Front

What term describes a species that is close to extinction in all areas?

Back

Endangered.

Front

How does the size of the quadrat affect the accuracy of population estimates?

Back

Larger quadrats will provide the most accurate estimates.

Front

What is the relationship between the number of species in an ecosystem and its sustainability?

Back

Ecosystems with the fewest species are the least sustainable.

Front

How can zoos, botanic gardens, and wildlife parks contribute to species conservation?

Back

They can help save species through breeding programs and habitat preservation.

Front

What is biodiversity?

Back

The variety of life in the world or in a particular habitat or ecosystem.

Front

What are the main threats to biodiversity?

Back

Habitat destruction, climate change, pollution, overfishing, and invasive species.

Front

What is the difference between endangered and extinct species?

Back

Endangered species are at risk of extinction, while extinct species no longer exist.

Front

What role do keystone species play in an ecosystem?

Back

They have a disproportionately large effect on their environment relative to their abundance.

Front

What is the significance of genetic diversity within a species?

Back

It increases the species' ability to adapt to changing environments.