Quiz 2 Reveiw

If a tertiary consumer was to live in an environment with a low level of biodiversity, what would happen?

• All of the species would still live and the environment would remain stable

• Some of the organisms would be consumed and the ecosystem would remain stable

• Only the mature members of an ecosystem would be consumed and the ecosystem would be unstable

• Several organisms would be consumed and the ecosystem would be unstable

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What member of an ecosystem would cause a food web to collapse if removed?

• Primary consumer

• Producer

• Secondary consumer

• Tertiary consumer

Tags

NGSS.MS-LS2-4

Which of the scenarios exhibits secondary succession?

• Plants growing after a forest fire occurred

• Bare rock being exposed

• Glacier retreating exposing bare rocks

• Shrubs growing

This type of natural disaster will cause tree seeds to spread and reproduce by seeding.

• Windstorm

• Hurricane

• Drought

• Forest fire

When referring to an ecosystem, biodiversity is defined as ______.

• The variety of life living on Earth

• Some of the life living in a particular area

• All of the variety of life in a particular area

• Some of the life living on Earth

Tags

NGSS.MS-LS2-5

What is the first step of succession?

• Shrubs and small trees

• Softwood trees

• Small hardy grasses

• Pioneer species

During the early stage of succession, what played the biggest role in keeping soil from washing and eroding away?

• Grass

• Bushes

• Softwood trees

• Hardwood trees

True or false: During the first stage of succession, mosses will appear first?

• True

• False

What would happen to an ecosystems level of biodiversity of a key species was being hunted?

• Biodiversity would increase

• Biodiversity would decrease

• Biodiversity would stay the same

• Biodiversity would first decrease then increase

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2

True or false: Ecological succession is the gradual change of a community over time?

• False

• True