Freshwater Ecosystems 1

Which statement is true about the aquatic ecosystem pictured?

• It is a freshwater ecosystem surrounded by land.

• The ecosystem is shallower than lakes

• .It is a saltwater ecosystem that is divided by the continents.

• The temperature of water stays the same from top to bottom.

Tags

NGSS.MS-LS2-1

Which feature of an aquatic ecosystem makes it a lake rather than a pond?

• It is a body of freshwater

• The water body is surrounded by land

• It has organisms living only in the shallow region.

• The water temperature differs greatly with depth.

What is a common feature between an estuary and an ocean ecosystem?

• Both are freshwater ecosystems

• Both are deep water ecosystems.

• Both contain different plants and animals at different depths.

• Both contain a deep bottom zone where sunlight does not reach.

Tags

NGSS.MS-LS2-2

Which statement best describes a pond ecosystem?

• a saltwater body ecosystem with similar temperatures at different depths

• a shallow water body ecosystem with similar temperatures at all depths

• a freshwater body ecosystem with different temperatures at different depths

• a deep water body ecosystem with different temperatures at different depths

Bald cypress trees grow in places that are flooded with at least three feet of water year-round. Which habitat is best for the growth of bald cypress trees?

• grassland

• ocean

• swamp

• grassland

Tags

NGSS.MS-LS1-5

Which two statements best describe the OCEAN ecosystem?

• statements 1 and 2

• statements 2 and 4

• statements 1 and 3

• statements 3 and 4

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The blue heron is a species of bird commonly found searching for tiny aquatic organisms in freshwater marshes of South Carolina.

In which aquatic ecosystem would a blue heron least likely be found?

• estuary

• lake

• ocean

• pond

Tags

NGSS.MS-LS2-1

Whales live in ocean ecosystems.

Which statement is true about the location of most whales within their ecosystems?

• Whales live near the shoreline where the water temperature is the warmest.

• Whales live near the surface of the ocean where food and oxygen are available.

• Whales live near the bottom of the ocean where food and space are available.

• Whales live near the populated coastline where human activity attracts other food resources.

Tags

NGSS.MS-LS2-1

Which statement best explains why there are a large amount of organisms in the shallower portions of a marine ecosystem?

• Organisms have plenty of space to make their homes.

• Organisms are well-protected in that zone of water.

• Organisms prefer to live in places frequently visited by humans.

• Organisms have plenty of food as more sunlight is available to producers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS1-6