True or False?

An organism is a living thing.

• True

• False

All of the following are biotic parts of an ecosystem except-

• individual

• population

• species

• atmosphere

Tags

NGSS.MS-LS2-3

Populations of different kinds of organisms that live in the same place at the same time are referred to as a/an-

• community

• species

• individual

• organisms

Tags

NGSS.MS-LS2-2

What is an ecosystem?

• biotic things and their habitats

• all the biotic and abiotic things that interact with each other in an environment

• only made up of food webs

• organisms and their offspring living in an environment

Tags

NGSS.MS-LS2-3

Which of the following are nonliving things in an environment? More than one may be correct.

• organisms

• air

• sunlight

• water

• frogs

Tags

NGSS.MS-LS2-3

True or False?

Biotic things do not depend on other biotic things in an ecosystem.

• True

• False

Tags

NGSS.MS-LS2-2

Which of the following are abiotic components found in this marine ecosystem?

• rocks, water, turtles

• turtles, fish, coral

• water, rocks, sunlight

• sunlight, water, fish

Tags

NGSS.MS-ESS2-4

According to the picture, which of the following lists biotic factors in this desert environment?

• cacti, coyote, snake, roadrunner

• sand, lizard, cacti, sun

• desert flowers, rocks, hawk, coyote

• woodpecker, snake, sunlight, cacti

Tags

NGSS.MS-LS2-1

Which of the following is an example of a biotic factor interacting with another biotic factor in this ecosystem?

• An insect rests on a leaf.

• The deer drinks the water.

• The hawk flies in the air.

• Rocks can be found at the bottom of the pond.

Tags

NGSS.MS-LS2-2

Which of the following is an example of a biotic thing interacting with an abiotic thing in this ecosystem?

• A deer eats grass.

• The ladybug rests on a leaf.

• Fish swim in the water.

• The insect is eaten by the fish.

Tags

NGSS.MS-LS2-3