Ecosystems and Environments

What does it mean when an ecosystem has sustainability?

• A variety of different plant and animal species in an area.

• A stable or end state of succession.

• A very small, specialized habitat.

• The ability to maintain a healthy ecosystem over long periods of time.

Tags

NGSS.MS-LS2-5

What is ecological succession?

• The ability to maintain a healthy ecosystem over time.

• A variety of different plants and animals in an ecosystem.

• A series of changes in the species of a community over time.

• All the biotic and abiotic factors interacting in an area.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS4-1

What does it mean if an ecosystem has biodiversity.

• It has small, specialized habitats.

• Having a variety of different plants and animals.

• Species that is the first to arrive after a disturbance.

• Steps that an ecosystems takes to recover after a disturbance.

Tags

NGSS.MS-LS2-5

Which of the following describes primary succession?

• Occurs where no previous ecosystem existed before.

• Occurs after a disturbance where there was an ecosystem before.

• The ability to maintain a healthy ecosystem over time.

• A small, specialized habitat.

Which of the following describes a microhabitat?

• Having a variety of different plant and animal species.

• A very small, specialized habitat.

• The first species to arrive after a disturbance.

• The end stage of succession.

Which of the following describes a pioneer species?

• The dominate species of an ecosystem.

• The species with the least diversity in an ecosystem.

• The first species to appear in an ecosystem after a disturbance.

• The species with the most diversity in an ecosystem.

Tags

NGSS.MS-LS2-4

What is a climax community?

• The number of different plant and animal species in an area.

• A very small, specialized habitat.

• The species with the greatest number of organisms in a community.

• A stable or end stage of succession.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-3

When does secondary succession occur?

• When an ecosystem can remain healthy over a long period of time.

• Occurs where no previous ecosystem has been present.

• Occurs where a previous ecosystem existed before.

• At the end of succession.

Which of the plants shown below would most likely be found in a rainforest?

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Which of the following will increase the sustainability of an ecosystem?

• Decrease the number of plants and animals.

• Add more of the same species that is already there.

• Increase the number of different plants and animals.

• Start a controlled fire to start the ecosystem over.

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-3