Aquatic Ecosystems

This is where a river flows into the ocean...

• lake

• estuary

• ocean

• river

Tags

NGSS.MS-ESS2-4

Lake and oceans are ________ in this way because they can be divided into zones based on depth

• the same

• different

• similar

• seasonal

Seasonal changes in water level, geology of the water bed, and siltation and erosion might affect a ______ecosystem.

• estuary

• river

• ocean

• lake

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS2-4

NGSS.MS-ESS2-2

Photosynthesis will occur in the...

• aphotic zone

• water

• photic zone

• soil

Tags

NGSS.MS-LS1-6

This word describes how salty a body of water is...

• temperature

• brackish

• salinity

• depth

These can be single celled or large like krill. They support all marine ecosystems by supplying energy from primary production to fish marine birds and mammals.

• plankton

• zooplankton

• pioneer species

• keystone species

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

They live in the water, are producers/photosynthetic and get eaten by zooplankton

• plankton

• phytoplankton

• pioneer species

• keystone species

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

Also play a role at the end of a food web as decomposers and detritivores. Include bacteria, fungi and worms.

• plankton

• zooplankton

• phytoplankton

• pioneer species

Tags

NGSS.MS-LS2-3

The optimum pH levels for fish are from:

• 0-6.4

• 6.5-9.0

• 7.0-10

Tags

NGSS.MS-LS2-4

NGSS.MS-LS1-5

In a balanced ecosystem...provide food for a wide range of sea creatures. However, they may grow out of control and form harmful algal blooms.

• plankton

• phytoplankton

• zooplankton

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-1