Environment and Ecosystems

1. An environment's biotic and abiotic factors interact to make a(n) __________.

• ecosystem

• resource

• population

• oil spill

Tags

NGSS.MS-LS2-3

2. Biotic factors: pine trees, squirrels, bacteria

Abiotic factors: light, water, __________

• cactus

• ferns

• worms

• soil

3. One species of organisms living in a habitat is called a(n) ________________.

• ecosystem

• population

• environment

• biotic factor

4. What is an ecosystem?

• a place where animals go to eat

• a place where animals go

• a community of plants and animals and the environment where they live

5. A living thing's home is its ______.

• trait

• habitat

• soil

• food web

Tags

NGSS.3-LS4-3

6. Which of the following best describes the types of things that make up an ecosystem?

• all living and nonliving things

• only living things

• humans and animals

• plants only

Tags

NGSS.MS-LS2-3

7. Which is an abiotic factor in an ecosystem?

• ant

• decaying plant

• snail

• sand

Tags

NGSS.MS-LS2-3

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8. A family of bobcats moved into an area with a large rabbit population. What changes may happen in the ecosystem?

• The rabbit population may increase.

• The rabbit population may decrease.

• The bobcat population may decrease.

• The bobcat population may stay the same.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

9. When two or more blue jays live and interact in the same area, the blue jays are a(n) ______.

• ecosystem

• community

• habitat

• population

10. When a predator population's food supply gets larger, the predator population will often _____.

• dies

• gets smaller

• gets larger

• moves to a new habitat

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4