Marine Producers

Why doesn’t photosynthesis occur in deep ocean water?

• There is no sunlight.

• There are not enough nutrients. 

• The salinity level of the water is too high.

• The water temperature is too cold.

Tags

NGSS.MS-LS1-6

Besides food and oxygen, what other role do marine plants do for marine organisms?

• habitats

• carbon dioxide

• light

• all of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Most of the food for an aquatic ecosystem is produced by

• Worms

• Phytoplankton

• Zooplankton

• Fish

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• oxygen

• nutrients

• sunlight

• salt

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-1

Dinoflagellates can cause __________ which is toxic to fish, shellfish and humans.

• Green TIde

• Red Tide

• Malaria

• Algal Bloom

Tags

NGSS.MS-LS2-4

How do mangroves get ride of excess salt.

• Evaporation

• dissolving more salts in water

• The leaves of some mangroves aid in the removal of excess salt because salt is deposited in the old leaves that are about to be shed

• they cannot get ride of excess salt

Which of the following are primary producers?

• Diatoms and Dinoflagellates

• Radiolarians and Zooplankton

• Baleen whales

• Small fish that get eaten by larger fish

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do seaweeds such as giant kelp provide beyond being a food source (primary producer)?

• they protect coral reefs

• they take salt out of the water

• they create a habitat for many organisms

Tags

NGSS.MS-LS2-5

A is the __.

• thallus

• holdfast

• bladder/pneumatocyst

• blade

• stipe

Tags

NGSS.MS-LS2-3

What is the term used to describe a sudden increase in phytoplankton growth?

• A Spring

• A Migration

• A Bloom

• A Flower

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

NGSS.MS-LS2-4