Aquatic Ecosystems (H)

Select ALL true statements

• Estuaries are salt water ecosystems

• Marine Ecosystems refer to aquatic ecosystems with high salt concentration

• Freshwater contains little to no salt and has specific organisms present

• Terrestrial ecosystems are ecosystems in the photic zone of the ocean

All of the following are examples of freshwater ecosystems EXCEPT ________________.

• ponds

• Estuaries

• lakes

• rivers

Tags

NGSS.5-ESS2-2

What are the three major types of aquatic ecosystems?

• Rivers, Lakes, and Ponds

• Marine, Freshwater, and Estuaries

• Coral reefs, Oceans, and the Sea

• There are only freshwater ecosystems

Select all of the Abiotic factors below

• water temperature

• all the plants in the ecosystem

• salinity (salt level)

• amount of light

• pH levels

Tags

NGSS.MS-LS2-4

A(n) _______________ is a partially enclosed body of water formed where a river flows into an ocean. This is one of the major types of aquatic ecosystems, that consists of a mixture of saltwater and freshwater.

• Wetland

• Estuary

• Swamp

• Bogs

Tags

NGSS.MS-LS2-5

Salinity refers to

• how many plants are in the water

• how many organisms live in the water

• how much salt in is water

Aquatic life is abundant, diverse, and full of sunlight at which zone?

• photic zone

• benthic zone

• limnetic zone

Tags

NGSS.MS-LS1-6

Almost ____% of the earth's surface is covered with water.

• 100%

• 75%

• 50%

• 35%

Tags

NGSS.MS-ESS2-4

Lakes are larger and deeper than ponds. This statement is:

• True

• False

What are the two most important abiotic factors in determining the productivity, or amount of life in different areas of the ocean? Choose two.

• Amount of sunlight.

• Wind and wave speed

• Nutrient levels in the water

• Amount of dissolved carbon dioxide in the water

Tags

NGSS.MS-LS2-1