4.3 ecosystems

Which is an example of a community?

• all the rabbits in a forest

• all the living things in a forest

• all the different plants in a forest

• the air, water, soil, and temperature in a forest

Which is a living part of a forest ecosystem?

• tree

• air

• rock

• water

Based on the food web, which of these is a producer?

• eagle

• grass

• rabbit

• sparrow

Tags

NGSS.MS-LS2-3

All the living and nonliving things in an area interacting with each other is a(n)

• abiotic.

• ecology.

• environment.

• ecosystem.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which choice describes a population?

• different organisms living together

• different ecosystems interacting with each other

• a group of living things of one species

• a large number of living things

Tags

NGSS.MS-LS4-4

A niche is the role that an organism performs in the food web of a community.

• True

• False

A niche is

• the place where an animal or plant naturally lives.

• the role that an organism performs in the food web of that community.

• a type of lizard.

• the same species living in the same place at the same time.

Which three components of an ecosystem are nonliving? Select all three.

• Air

• Nutrients

• Decomposer

• Sunlight

Tags

NGSS.MS-LS2-3

The greatest amount of energy in an ecosystem is in the _____.

• producers

• consumers

• decomposers

Tags

NGSS.MS-LS2-3

A niche is the role that an organism performs in the food web of a community.

• true

• false