Ecosystems and Food Chains Test

What is an ecosystem?

• Only the living things in an area

• Only the nonliving things in an area

• All the living and nonliving things in an environment

• A group of the same species in an area

Tags

NGSS.MS-LS2-3

Which of the following is a biotic factor?

• Water

• Rocks

• Plants

• Sunlight

Tags

NGSS.MS-LS1-4

Which of the following is an abiotic factor?

• Bacteria

• Animals

• Soil

• Fungi

Tags

NGSS.MS-LS2-3

A population consists of

• All the living things in an area

• A single species in an area at a given time

• All nonliving things in an area

• Different species living together

What is a community?

• A single organism in an environment

• All members of a species in an area

• All the populations of organisms living together

• Only the nonliving things in an environment

What is a producer?

• An organism that makes its own food using sunlight

• An organism that eats plants and animals

Tags

NGSS.MS-LS1-6

Which of the following is a producer?

• A wolf

• A mushroom

• A tree

• A bird

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is a consumer?

• An organism that makes its own food

• An organism that eats to get energy

• An organism that decomposes dead material

• A nonliving factor in an environment

A decomposer is an organism that:

• Eats only plants

• Breaks down dead plants and animals

• Creates its own food using sunlight

• Hunts for food

Which of the following is a decomposer?

• Grass

• Bacteria

• Fish

• Deer

Tags

NGSS.MS-LS2-3