Free Printable Biodiversity

Worksheets

Biodiversity

Total questions: 10

Worksheet time: 15mins

Name

Class

Date

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

TRUE

FALSE

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

There would be an overpopulation of arctic hares and lemmings.

Polar bears would move to a new ecosystem

The ecosystem would collapse because it lost its main producer

Wildflowers would die out from the ecosystem

Which statement best describes an example of low species diversity?

A population of frogs has a wide variety of skin colors

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

A state park includes multiple forest, wetland, and freshwater ecosystems

Which of the following are factors that affect biodiversity?

Climate

Poaching

Pollution

Area

Niche Diversity

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

niche species.

extinct species.

keystone species.

endangered species.

Which of the following is not a threat to biodiversity?

Habitat loss

Pollution

Introducing non-native species

Planting gardens in city centers

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

The rabbits will increase in number.

The rabbit population will stay the same.

The rabbit population will decrease.

The rabbit population will become extinct immediately.

When every organism of a species has died.

Evolution

Natural Selection

Extinction

Artificial Selection

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

The environmental change means fewer predators are around

There are more homes available in the newly changed environment

New resources are available with less competition

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

10.

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

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

If an organism is removed the food web will collapse and will affect the environment.

Reset

Biodiversity

Total questions: 10

Worksheet time: 15mins

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