Aquatic Ecosystems

PHOTOSYNTHETIC algae are most likely to be found in

• the open ocean

• the aphotic zone

• the photic zone

• the ocean floor

Tags

NGSS.MS-LS1-6

The water in an estuary is

• salt water only

• fresh water only

• a mixture of freshwater and salt water

• poor in nutrients

Tags

NGSS.MS-ESS2-4

Which is one way a freshwater wetland differs from a lake or pond?

• Water flows in a lake or pond but NEVER flows in wetland

• Water does not always cover a wetland as it does a lake or pond

• Wetlands are salty, but lakes and ponds are fresh

• Lakes and ponds do not circulate water from surface to bottom like wetlands

Tags

NGSS.MS-ESS2-4

Which is an ABIOTIC factor? (can be more than 1 answer)

• Temperature

• Salinity (how much salt)

• Fish

• Depth

Tags

NGSS.MS-LS2-3

The photic zone

• extends to the bottom of the open ocean where photosynthetic bacteria are found

• is the ocean floor

• is deep, cold, and permanently dark

• extends a little passed the surface, where photosynthetic organisms, like algae and phytoplankton are found

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following are BIOTIC factors? (can be more than 1 answer)

• Giraffe

• Wind

• Rainfall

• Lion

Tags

NGSS.MS-LS1-4

NGSS.MS-LS2-4