Aquatic Ecosystems (L)

What are areas where freshwater meets saltwater called?

• wetlands
• estuaries
• coastal byways
• intertidal zones

Tags

NGSS.MS-LS2-3

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

Wetlands and estuaries purify water and filter out _____.

• dead organisms
• waste products
• salt
• pollution

Tags

NGSS.MS-LS2-3

What abiotic factors affect aquatic ecosystems?

• Light, salinity, temperature

• Sun, moon and stars

• Nothing

• Coral reefs, whales

Tags

NGSS.MS-LS2-3

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 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

Which is a fresh water ecosystem?

• river
• estuary
• ocean

Tags

NGSS.5-ESS2-2

Photosynthetic organisms are found mainly in shallow water due to the availability of

• oxygen

• nutrients

• sunlight

• salt

Tags

NGSS.MS-LS2-1

permanently dark layer of the oceans below the photic zone

• aphotic zone

• photic zone

• surface zone

• intertidal zone

Level of the ocean in which no light penetrates- deepest part of the ocean

• aphotic zone

• benthic zone

• photic zone

• surface zone