What is biodiversity?

Front

The level of biodiversity that involves a variety of habits and communities is _____ diversity.

Back

ecosystem

Front

What level of biodiversity is most commonly equated with the overall concept of biodiversity? Options: genetic, ecosystem, species, population

Back

species

Front

Why is biodiversity important to ecosystems?

Back

It helps populations adapt to ecological changes.

Front

How many species are known to be living on Earth? Options:

between 10,000 and 100,000

,

between 1 and 2 million

,

between 5 and 9 million

,

between 10 and 50 million

Back

between 1 and 2 million

Front

Biodiversity, aka biological diversity, usually refers to

Back

the number of different species in a given area

Front

Which habitat exhibits the greatest biodiversity? Options: A habitat with 15 different species with about 300 individuals each, A habitat with 10 different species with about 75 individuals each, A habitat with 4 different species with about 150 individuals each, A habitat with only one species with about 2000 individuals

Back

A habitat with 15 different species with about 300 individuals each

Front

Genetic diversity

Back

variation of genes within a species or population in a given area

Front

Which statement best describes an example of low species diversity?

Back

A marsh ecosystem is covered by a single species of cattail bulrushes

Front

Which statement best describes an example of high species diversity?

Back

A state park includes multiple forest and freshwater ecosystems with many different species of fish, frogs, and birds

Front

Which of the following is not an example of a keystone species?

Beavers

,

Round Gobies

,

Sharks

,

Sea Otters

Back

Round Gobies