Succession and Extinction

The end result of ecological succession is usually a(n)

• A.land biome.

• B.aquatic biome.

• C.unstable community.

• D.climax community.

. Which of the following is an example of primary succession?

• A.lichens growing on rocks following a volcanic eruption

• B.grasses growing after a forest fire

• C.oak trees replacing pine trees in a forest

• D. non-native species introduced into a climax community

How is primary succession different from secondary succession?

• Primary succession starts with soil.

• Secondary succession start with bare rock.

• Primary succession starts with bare rock, with lichens and moss.

• Fire is an example of primary succession.

Tags

NGSS.MS-LS2-4

Several years after a building had been torn down and the ground cleared, grasses began to grow in that area. After 10 years, small bushes replaced the grasses. This pattern of plant growth is known as:

• Biological

  control

• Cover cropping

• Ecological

  succession

• Land-use

  management

Which of the following best

describes biodiversity

• A. a diverse Biology class

• B. variety of all life on earth

• C. a variety of plants

• D. a variety of animals

Tags

NGSS.HS-LS2-6

The picture shows what type of succession?

• primary
• secondary
• tertiary
• quadanary

What is the order of succession shown in this figure?

• A, B, C, D
• B, A, D, C
• C, D, A, B
• D, A, B, C

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

This classification of risk means that the species is at serious risk of extinction.

• threatened

• vulnerable

• endangered

• extinct

Tags

NGSS.HS-LS4-5

Humans are causing extiction in which ways?

• By over hunting animals for food or products.
• By destroying the natural habitat of species.
• By polluting the environments of the world.
• All of the above.

Tags

CCSS.RI.11-12.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5

What is one of the main threats to tigers?

• Human impact

• deers are becoming extinct

• global warming

• the grass is dying

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-5