Seaweed and Algae

True or false? We should try to control and limit the population of all algae.

• True-Algae is causing dead zones!

• False-A lot of pure algae is a necessary food source for fish and humans.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

________________ come in many different sizes from microscopic single celled diatoms used in toothpaste to macroscopic alga which contain many like seaweed.

• Algae

• Fungi

• Protozoa

• Yeast

A type of plant that grows in water, such as seaweed.

• glaciers

• marine biologist

• water quality

• algae

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following organisms best completes boxes X and Y to show how energy flows through this food chain.

• X is catfish; Y is seaweed

• X is seaweed; Y is water

• X is seaweed; Y is crab

• X is a shark; Y is seaweed

Tags

NGSS.MS-LS2-3

The most common producers in aquatic ecosystems are

• plants

• algea

• seaweed

• plankton

Because the waters of the neritic zone are relatively shallow...

• It is difficult for algae to access sun

• The pounding waves make it hard for organisms to live there

• Not a lot of marine life can survive there

• Lots of photosynthesis can occur and many things live there

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NGSS.MS-LS1-6

Which of the following is a primary producer in marine ecosystems?

• Seaweed

• Fish

• Crabs

• Jellyfish

Tags

NGSS.MS-LS2-3

What is the main role of algae in aquatic ecosystems?

• Decomposers

• Producers

• Consumers

• Predators

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a type of algae used in food products?

• Kelp

• Coral

• Barnacle

• Sea cucumber

True or False? Seaweed can be used as a biofuel.

• True

• False