Aquatic Ecosystems

This type of aquatic ecosystem is a mix of fresh and salt water.

• estuary
• lake
• river

Salt water is denser than fresh water. What ecosystem is most affected by this fact?

• lake
• river
• stream
• estuary

Tags

NGSS.MS-LS2-4

Which is a fresh water ecosystem?

• river
• estuary
• ocean

Aquatic ecosystem that has a thin layer of water covering soil that is wet most of the time is called ____.

• wetland
• estuary
• lake
• puddle

Why does photosynthesis not occur in the deep ocean? 

• Lack of nutrients
• Low oxygen levels
• Excess sunlight
• Sunlight does not penetrate

Tags

NGSS.MS-LS2-1

An area where land is periodically underwater.

• Wetland
• Forest
• Desert
• Woodland

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-4

Plankton that uses photosynthesis:

• Phytoplankton
• Zooplankton

Tags

NGSS.MS-LS1-6

The cold and dark depths of the ocean that receive no sunlight.

• Benthic zone

• Aphotic Zone

• Neritic Zone

• Photic Zone

This zone is ocean floor that extends from the neritic zone through the open ocean

• Aphotic

• Benthic

• Estuary

• Intertidal

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Moss-dominated area with acidic water that collects in depressions

• Bog

• Wetland

• Marsh

• Estuary