Ecology Unit Exam

Energy is lost at each level of a food chain.

• True

• False

Tags

NGSS.MS-LS2-3

Materials like carbon, water, phosphorus, and nitrogen are recycled within an ecosystem.

• True

• False

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A zebra is an autotroph.

• True

• False

What is the correct definition for a population?

• A group of organisms of different species living in the same area

• A group of organisms of the same species living in the same area

• All of the abiotic and biotic factors within an ecosystem

• One individual organism

The amount of biomass decreases as one moves up through the trophic levels.

• True

• False

Tags

NGSS.MS-LS2-3

Which of the following factors are examples of abiotic factors? (Select all that apply)

• Trees

• Algae

• Sunlight

• Water

• Fish

Tags

NGSS.MS-LS2-3

A biologist who studies how several species in an area interact is interested in the biological level of organization called ___________________.

• An organism

• A population

• An ecosystem

• A community

Tags

NGSS.MS-LS2-2

A single feeding step within an ecosystem is known as a _____________________________.

• pyramid

• trophic level

• niche

• producer

Tags

NGSS.MS-LS2-3

All of the abiotic and biotic factors in an environment make up a(n) _______________________.

• food chain

• food web

• community

• ecosystem

Tags

NGSS.MS-LS2-3

Which of the following organisms in this food web is a primary consumer?

• Insects

• Wolves

• Ferns

• Skunk

Tags

NGSS.MS-LS2-2