Science Ecosystem

A connection of food chains with many food energy paths in an ecosystem.

• food web

• food chain

• food lace

• food string

Tags

NGSS.MS-LS2-3

A community of living and non living things in their natural environment.

• population

• ecosystem

• habitat

• jungle

an organism that gets energy by using dead organisms, nonliving materials or waste as food

• producer

• consumer

• decomposer

• decay

Which of the following best describes 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 waste, returning nutrients to the soil.

• They are the primary consumers of plants.

Tags

NGSS.MS-LS2-3

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

• An organism that eats other animals

• An organism that breaks down dead material

• An organism that makes its own food through photosynthesis

• An organism that only eats plants

Tags

NGSS.MS-LS2-3

Why is biodiversity important in an ecosystem?

• It ensures that all organisms are the same size

• It increases the amount of pollution

• It helps the ecosystem be more resilient to changes

• It makes the ecosystem look more attractive

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following is an example of a producer in an ecosystem?

• Lion

• Grass

• Snake

• Eagle

Tags

NGSS.MS-LS2-3

What is the role of decomposers in an ecosystem?

• They produce oxygen through photosynthesis

• They eat living plants and animals

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

• They help pollinate plants

Tags

NGSS.MS-LS2-3

What is the primary source of energy for most ecosystems?

• Wind

• The Sun

• Water

• Soil

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How do plants contribute to the water cycle?

• By drinking water from the soil

• By releasing water vapor into the air through transpiration

• By creating water during photosynthesis

• By absorbing water vapor directly from the air