Aquatic Ecosystems

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

• estuary
• lake
• river

An aquatic ecosystem includes any

• fish and frogs living there
• water environment and the community of organisms living there
• water but no animals or plants

Tags

NGSS.5-ESS2-1

NGSS.5-LS2-1

The major abiotic factors that influence aquatic ecosystems include

• water temperature and amount of light
• plants and animals
• water and plants growing there

Tags

NGSS.MS-LS2-3

Which is a fresh water ecosystem?

• river
• estuary
• ocean

Tags

NGSS.5-ESS2-2

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

• wetland
• estuary
• lake
• puddle

Tags

NGSS.MS-LS2-3

What abiotic factors affect aquatic ecosystems?

• Light, salinity, temperature

• Sun, moon and stars

• Nothing

• Coral reefs, whales

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

Which is NOT a freshwater ecosystem?

• a river
• a lake 
• an estuary
• a stream

Tags

NGSS.5-ESS2-2

Which would have kelp forests and coral reefs?

• intertidal zone
• coastal ocean
• open ocean

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

The mixture of saltwater and freshwater in an estuary is called __________________ water.

• brackish

• semi-salty

• partially-salty

• sorta-salty

Tags

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

CCSS.RI.9-10.5