Unit 7 Review (7th Grade)

Why are coral reefs important to ocean ecosystems?

• It provides shelter and protection to aquatic organisms.

• It allows water and minerals to cycle through the marine ecosystem.

• It provides carbon dioxide to the marine ecosystem.

• It is pretty.

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What do organisms need in order to survive?

• shelter

• food

• water

• all of the above

Tags

NGSS.K-ESS3-1

NGSS.K-LS1-1

Which community has more biodiversity?

• Community 1

• Community 2

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

Which community is more sustainable?

• Community 1

• Community 2

Tags

NGSS.MS-LS2-5

Which ecosystem is more likely to survive a natural disaster, like a forest fire?

• The Grassland Ecosystem

• The Forest Ecosystem

• Both ecosystems would survive.

• Neither ecosystem would survive.

Tags

NGSS.MS-LS2-5

NGSS.MS-LS2-4

What type of succession will occur after a tornado touches down in an area?

• Primary Succession

• Secondary Succession

• Tertiary Succession

• Quaternary Succession

Tags

NGSS.MS-LS2-4

The variety of life in the world or in a particular habitat or ecosystem is called _____ .

• sustainability

• climax community

• biodiversity

• microhabitat

Tags

NGSS.MS-LS2-5

Which rabbit is best adapted to an arctic environment?

• the brown rabbit

• the white rabbit

• Both rabbits have adapted to live in an arctic environment.

• Neither rabbit has adapted to live in an arctic environment.

Tags

NGSS.MS-LS4-4

Which of the following is an example of a pioneer species?

• trees

• shrubs

• grasses and flowering plants

• lichen and mosses

A habitat which is smaller and different in character from the surrounding habitat is called a _____ .

• sustainability

• climax community

• biodiversity

• microhabitat