Biodiversity

Front

True or False: Biodiversity is extremely important and keeps the ecosystems of the Earth balanced and functioning properly.

Back

TRUE

Front

In this tundra food web, if grasses were removed what would happen to the sustainability of the ecosystem?

Back

The ecosystem would collapse because it lost its main producer

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

A species that influences the survival of many other species in an ecosystem is called a(n)

Back

keystone species.

Front

Which of the following is not a threat to biodiversity?

• Habitat loss
• Pollution
• Introducing non-native species
• Planting gardens in city centers

Back

Planting gardens in city centers

Front

A drought has hit this grassland biome. How will this affect the rabbit population?

Back

The rabbit population will decrease.

Front

When every organism of a species has died.

Back

Extinction

Front

If the environment suddenly changed, how could a species go extinct?

Back

There aren't enough members of the species with a trait necessary to survive in the new environment

Front

Why is sustainability important for an ecosystem in "Food Web A"?

Back

If one organism is removed the food web can still operate (work) with little or no negative effect.