Ecosystems and Environments

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

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 a producer?

• fungi

• algae

• animals

• buzzards

Tags

NGSS.MS-LS2-3

A garden was cleared out, but had to be left alone for a month. What would you expect to see?

• lichens and mosses
• grasses and weeds
• a fully blossomed garden
• bushes and small trees

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Primary succession occurs in an area that has:

• soil

• no soil

• some soil

• none of these

___ are the first organisms to colonize an area and begin the process of ecological succession.

• foundational organisms

• introductory organisms

• primary organisms

• pioneer species

What is an example of an area that is likely to undergo primary succession?

• Glaciers melt and leave exposed rock

• Plants die from drought and decompose

• Land is bulldozed and soil remains