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Which type of organism eats only plants?

• carnivore

• herbivore

• producer

• scavenger

An organism that breaks down dead material for fuel

• Decomposer

• Producer

• Herbivore

• Carnivore

Tags

NGSS.MS-LS2-3

An ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?

• They break down dead organisms to return nutrients to the soil.

• They produce their own food for survival.

• They play a role in preventing weathering and erosion.

• They provide most of the energy to consumers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

An animal that eats other animals is a....

• carnivore

• omnivore

• herbivore

• decomposer

Tags

NGSS.MS-LS2-4

Which is the first organism in a food chain?

• sun

• producer

• consumer

• decomposer

Tags

NGSS.MS-LS1-6

Where do all life forms get their energy?

• Earth's Core

• Water

• Plants

• The Sun

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Decomposers are important to the flow of energy in an ecosystem because they

• are at the top of every food chain.

• eat things other organisms do not eat.

• make up a large portion of the top layer of the soil.

• break organic material into parts that can be reused.

Tags

NGSS.MS-LS2-3

An ecosystem is a community of organisms interacting with their physical environment. Why are decomposers an important part of ecosystems?

• They break down dead organisms to return nutrients to the soil.

• They produce their own food for survival.

• They play a role in preventing weathering and erosion.

• They provide most of the energy to consumers.

Tags

NGSS.MS-LS2-3

Plants in a forest need to obtain nutrients from the soil to survive. How do MOST of the nutrients get back in the soil once the forest plants have used them for growth?

• Organic matter is recycled from dead organisms.

• Commercial fertilizers are applied by humans.

• Solar radiation reaches the ground surface.

• Rainwater drips off of living organisms.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Rolanda is growing tomato plants in her garden. She has created a compost pile and has been adding compost around her tomato plants to help fertilize them. Compost is solid waste in which organic material is broken down by microorganisms in the presence of oxygen to where it can be safely stored, handled, and applied to the environment. On what does Rolanda primarily rely in order for composting to work?

• producers

• consumers

• scavengers

• decomposers

Tags

NGSS.MS-LS2-3