Freshwater Ecosystem

Which of the following are factors determine where organisms live in a freshwater lake? Select ALL that apply.

• Temperature

• Salinity

• Nutients

• Sunlight

• Carbon Monoxide

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What are organisms living on, near, or in the sediment of lakes called?

• Nekton

• Plankton

• Decomposers

• Benthos

The plankton that is animal-like is called

• zooplankton

• phytoplankton

This lake zone suffers from a lack of light and has limited photosynthesis:

• Littoral

• Benthic

• Profundal

• Limnetic

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

NGSS.MS-LS2-4

The zone near the shoreline in a lake is known as the _________________zone.

• benthic

• limnetic

• littoral

• profundal

What aquatic biome is characterized by flowing fresh water?

• Lakes/Ponds

• Wetlands

• Rivers/Streams

• Coral Reefs

_____________ are wetlands that are dominated by woody plants, such as trees.

• marshes 

• swamps  

• estuaries

An area where land is periodically underwater.

• Wetland

• River

• Lake

• Stream

Tags

NGSS.MS-LS2-4

____________________are freshwater wetlands that contain non-woody plants.

• marshes

• swamps

• estuaries

Mosses, minnows, and trout are found in cold, shallow waters which are...

• Upstream

• Downstream

• Neither