Ecosystem

What is an ecosystem?

• A biological community of interacting organisms that is working together.

• A biological community of interacting organisms and their physical environment.

• An environment that is full of animals.

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NGSS.MS-LS2-2

What is a food chain?

• The path of food that shows plants that eat animals.

• The path of food that shows plants that eats plants.

• The path of food that shows how each living thing gets its food.

Tags

NGSS.MS-LS2-3

An __________ is made up of all of the living and nonliving things in an area. This includes all of the plants, animals, and other living things.

• animal

• ecosystem

• food web

What is a food web?

• A group of food chains within an ecosystem.

• A web of food.

• A web of spiders.

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

In a food web, what does an arrow represent?

• The direction of water flow

• The movement of animals

• The flow of energy from one organism to another

• The growth of plants

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?

• They produce their own food through photosynthesis

• They consume other organisms for energy

• They break down dead organisms and recycle nutrients back into the ecosystem

• They help plants to grow by providing them with nutrients

Tags

NGSS.MS-LS2-3

In an ecosystem, plants are considered:

• Consumers

• Decomposers

• Producers

• Omnivores

Which of the following best describes a producer in an ecosystem?

• An organism that eats other organisms

• An organism that decomposes dead material

• An organism that produces its own food through photosynthesis

• An organism that relies on other organisms for food

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is an ecosystem?

• A single species living in a specific area

• A community of living organisms and their physical environment

• A collection of planets and stars

• A type of energy source

Tags

NGSS.MS-LS2-3

What role do decomposers play in an ecosystem?

• They produce food for other organisms

• They consume living plants and animals

• They break down dead organisms, returning nutrients to the soil

• They regulate the temperature of the ecosystem

Tags

NGSS.MS-LS2-3