Third Grade Science

Living Systems

SOL 3.6

StandardsStandard 3.6 The student will investigate and understand that

environments support a diversity of plants and animals that share limited resources. Key concepts include

a)  water-related environments (pond, marshland, swamp, stream, river, and ocean environments);

b)  dry-land environments (desert, grassland, rain forest, and forest environments); and

c)  population and community.

Water environments include…

Ponds, marshland, swamps, streams, rivers, and …

Oceans!

Oceans!

Dry land environments include deserts…

Grasslands

Forests

Rainforests

Population A population is a group

of organisms of the same kind that lives in the same place. Examples of a population are a group of swans in a pond, a school of fish in a river, and a herd of cattle in the grassland.

Populations

Which is the largest population in the picture?

Community A community is all of the

populations that live together in the same place. An example of a dry-land community would be a forest made up of trees, squirrels, worms, rabbits, and hawks. An example of a water-related community would be an ocean made up of fish, crabs, and seaweed.

Time for a couple quick questions!

The following slides contain

released SOL test items.

Question #1Which picture shows an ocean community?

A. B. C. D.

Question #Which of these would probably cause a forest

habitat to become a desert?

A. No rain

B. Flooded rivers

C. High winds

D. Hot summers

Congratulations!!!!! Congratulations! You

have answered the last question correctly!

Click on the button to end this presentation

Great job!