Marine Plants Quiz

Holdfasts, stipes, blades & pneumatocysts are found

• on red algae

• on mangroves

• on Sargassum

• on kelp

Why are pneumatocysts helpful for seaweeds?

• Attach to ocean surfaces

• Absorbs nutrients from the water

• Allows seaweed to float so it can get more sunlight

• Provides food to other marine organisms

Tags

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What part of sea grasses help stabilize the plant and prevent erosion?

• Stems

• Roots

• Leaves

The picture shows a

• coral reef

• kelp forest

• open ocean

• estuary

Tags

NGSS.MS-LS2-1

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Which one is a true plant?

• kelp

• eel grass

• diatoms

• foraminifera

sea grasses are

• monoecious

• dioecious

Sea grass beds help filter water and make it more clear.

• true

• false

Single-celled primary producer with a whip-like tail

• Diatom

• Dinoflagellate

• Primary consumer

• Krill

How are seaweed classified or sorted in to groups?

• By their pigment

• By their length

• By the water they are found in

• By their shape

Which seaweed can withstand the least amount of light and can grow the deepest?

• red

• brown

• green

• blue

Tags

NGSS.MS-LS1-6

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