Aquatic Ecosystems

The 2 type of aquatic ecosystems are

• freshwater and marine

• ponds and lakes

• oceans and lakes

• marine and coral reefs

All of the following determine the type of aquatic ecosystem EXCEPT

• Depth

• Flow

• Sunlight

• Shoreline

An ecosystem where rivers/streams mix with ocean water is called ___________________.

• Mouth

• Estuaries

• Marsh

• Coral Reef

What name is given to an ecosystem in which fresh water either covers the soil or is present at the soil surface for at least part of the year?

• Pond

• Coral Reef

• Wetland

• Lake

In a river/stream ecosystem, the water is typically fast moving, cold, nutrient poor, and clear near the ___________________.

• mouth

• middle

• end

• headwater

Looking at the picture, what is the deepest part of the ocean that has no sunlight, low temperatures, and high water pressure?

• Aphotic Zone

• Abyssal Zone

• Continental Shelf

• Photic Zone

Using the diagram, which zone starts at about 200m deep, and receives little to no sunlight and photosynthesis cannot occur?

• Photic Zone

• Aphotic Zone

• Benthic Zone

• Intertidal Zone

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Algae are organisms that can produce their own food through photosynthesis. Which zone would you expect to find them living?

• Limnetic Zone

• Abyssal Zone

• Benthic Zone

• Photic Zone

Tags

NGSS.MS-LS1-6

All of the following are benefits of wetlands?

• They filter pollutants out of the water.

• They act as a sponge absorbing storm water.

• They provide rich farmland.

• They provide a critical habitat for plants and animals to reproduce.

Tags

NGSS.MS-LS2-5

Which is an example of a biotic factor in the marine ecosystem?

• Coral Reef

• Salinity

• Sediment

• Minerals

Tags

NGSS.MS-LS2-4