Grade 7 - Interactions in our environment

An ecosystem is a biological community of interacting organisms and their physical environment.

• True

• False

An ecosystem is said to be stable if it can meet the needs of the living things it supports

• True

• False

Tags

NGSS.MS-LS2-1

Abiotic elements in an ecosystem are living things.

• True

• False

Consumers produce their own energy for others to eat

• true

• false

What organism starts the flow of energy in a food web or food chain?

• tertiary producer

• primary consumer

• producer

• herbivore

Tags

NGSS.MS-LS2-3

Which of the follow shows the flow of energy in a ecosystem?

• food chain

• organism path

• the sun

• producers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the follow are responsible for returning nutrients to the soil?

• scavengers

• decomposers

• producers

• carnivores

Tags

NGSS.MS-LS2-3

Which of the following is an example of a decomposer?

• fungi

• buzzard

• hyena

• none of these

Which of the following is a producer?

• fungi

• algae

• animals

• buzzards

Tags

NGSS.MS-LS2-3

If an owl eats a rat and the rat eats seeds, what is the owl in the energy pyramid?

• scavenger

• 1st level consumer

• 2nd level consumer

• tertiary consumer

Tags

NGSS.MS-LS2-3