Biodiversity and Changes in Ecosystems

Which statement best describes an example of high species diversity?

• A pond ecosystem is populated by a single species of frogs

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

• A desert ecosystem is populated only by organ pipe cacti, camels, and armadillo lizards

Tags

NGSS.MS-LS2-5

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

• ecosystem

• population

• genetic

• species

Tags

NGSS.MS-LS2-5

How many species are known to be living on Earth?

• between 10,000 and 100,000

• between 1 and 2 million

• between 5 and 9 million

• between 10 and 50 million

Tags

NGSS.HS-LS4-5

Biodiversity, aka biological diversity, usually refers to

• the same species in a general location

• the number of different species in a given area

• the number of animal species in a given area

• the number of plant species in a given area

Tags

NGSS.MS-LS2-5

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

Tags

NGSS.MS-LS2-5

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

• Beavers

• Round Gobies

• Sharks

• Sea Otters

Which level of biodiversity helps to prevent the negative effects of bottlenecks?

• Ecosystem diversity

• Genetic diversity

• Species diversity

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

Which of the following is not one of the advantages of biodiversity to humans?

• Medical uses

• Recreation

• Industrial uses

• Bottlenecks

What level of biodiversity is most commonly equated with the overall concept of biodiversity?

• genetic

• ecosystem

• species

• population

Tags

NGSS.MS-LS2-5

Put the levels of biodiversity in order from largest to smallest.

• Genetic Diversity

• Ecosystem Diversity

• Species Diversity