Ecosystems STAAR

An _______ is a community of living and non-living components in an environment.

• Environment

• Ecosystem

• Population

• Community

Which best describes an organisms niche?

• The habitat of an organism

• The consumers the organism eat

• The job an animal has within its population

An organism that feeds on another organism?

• Consumer

• Decomposer

• Producer

• Organism

Tags

NGSS.MS-LS2-3

A simple organism that breaks down dead organisms and waste, returning important nutrients to the environment?

• Organism

• Decomposer

• Consumer

• Producer

Tags

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?

• They produce oxygen

• They consume living plants

• They break down dead material and waste

• They control the population of species

Tags

NGSS.MS-LS2-3

What role do producers play in an ecosystem?

• They consume other organisms for energy

• They decompose dead organisms

• They produce oxygen through photosynthesis

• They provide energy for other organisms through photosynthesis

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In an ecosystem, which component is considered a primary producer?

• Carnivores

• Herbivores

• Plants

• Decomposers

Tags

NGSS.MS-LS2-3

What is a consumer in an ecosystem?

• An organism that produces its own food

• An organism that eats other organisms for energy

• An organism that breaks down dead matter

• An organism that absorbs sunlight

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

What is an ecosystem?

• A single species and its natural habitat

• A community of living organisms and their physical environment

• A collection of planets

• A type of animal

Which of the following is a biotic factor in an ecosystem?

• Water

• Sunlight

• Plants

• Rocks