Unit 2 Lesson 2 Lesson Check: Interactions of Living Things

The picture shows living things in an ecosystem. Which organism is a producer?

• mouse

• eagle

• grass

• caterpillar

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Predators hunt (a)   and help control the size of the populations of these organisms.

Tags

NGSS.MS-LS2-4

An animal who hunts and kills its own food is called a(n) ______.

• predator

• scavenger

• producer

• omnivore

An (a)   species can harm the environment by growing and spreading quickly in an area.

Tags

NGSS.MS-LS2-5

This animal is a predator. If a predator is removed from an ecosystem, then ______.

• the population of predators will likely increase.

• the population of prey will increase.

• the population of prey will decrease.

• the population of predators will not be affected.

Tags

NGSS.MS-LS2-4

Which are living parts of an ecosystem? Select all that apply.

• fungus

• Sun

• tree

• fly

• rock

Tags

NGSS.MS-LS1-1

7) Which of the following are biotic factors in an ecosystem?

• Sunlight, Water, Soil

• Plants, Animals, Microorganisms

• Temperature, Humidity, Wind

• Rocks, Minerals, Air

Tags

NGSS.MS-LS1-4

Water is factor.

• an abiotic
• a biotic

Tags

NGSS.MS-ESS2-4

Which of the following is not an abiotic factor?

• rocks

• air

• animals

• water

Hawks eat mice and birds. If hawks come into the forest area, what will happen in the food web? Click all that apply.

• There will be fewer plants consumed.

• The population of owls will increase.

• The population of foxes may decrease.

• The population of grasshoppers will decrease.

• The population of mice will decrease.

Answer explanation

because hawks eat one of the two animals that foxes depend on, the fox

population may decrease if they do not have enough food to support the population.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-2