Seaweed

These are the gas-filled bladders that help seaweeds float to the surface so that they can get more sunlight.

• Blades

• Pneumatocysts

• Stipe

• Holdfast

• stipe

• blade

• holdfast

• pneumatocyst

Tags

NGSS.MS-LS4-2

Which group of algae contains the larges species of seaweed, including kelp and sargasso?

• red algae

• green algae

• purple algae

• brown algae

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

• red

• brown

• green

• blue

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

What are the stems of kelp called?

• blades

• stipes

• holdfast

• stem

What is the largest type of seaweed?

• sargassum

• kelp

• sea lettuce

• nori

the stem-like portion of seaweeds

• thallus

• blade

• stipe

• pneumatocyst

• holdfast

pneomatocysts

• root-like structure of seaweeds

• leaf-like structure of seaweeds

• stem-like structure of seaweeds

• gas-filled bladders that sometimes keep their blades close to the sea surface

What are the leaflike structures of the seaweed called?

• thallus

• stipe

• leaf

• blade

What type of seaweed floats in massive mats and form large brown patches?

• kelp

• rockweed

• sargassum

• Padina