Biodiversity and Changes in Ecosystems

Which of the following forms of biodiversity describes the variety of resources within an ecosystem?

• Species

• Habitat

• Genetic

• None of the Above

What has a higher biodiversity: a temperate forest or a frozen tundra?

• Frozen Tundra

• Temperate Forest

• They have a similar biodiversity

Tags

NGSS.MS-LS2-5

Which of the following terms describes an ecosystems ability to survive or rebound from a major change?

• Distubance

• Resiliency

• Adaptations

• Biodiversity

This diagram provides information on the diversity, in number of species, for four major groups of animals over time. What is the only group that experienced an increase of diversity between 413 million years ago and 265 million years ago?

• Mollusks

• Echinoderms

• Arthropods

• Chordates

Tags

NGSS.MS-LS4-1

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

Tags

NGSS.MS-LS2-4