Marine Producers

What is the seed of a mangrove called?

• propagule

• haloseed

• pollen

• seabean

The root-like structures of seaweed

• thallus

• blades

• holdfast

• stipes

The body of seaweed

• thallus

• blades

• holdfast

• stipes

Tags

NGSS.MS-LS4-2

The stem-like structures of seaweed

• thallus

• blades

• holdfast

• stipes

Coralline algae are hard because their thallus is composed of

• calcium carbonate

• carbonic acid

• cellulose

• keratin

The main types of seaweed

• green seaweed

• brown seaweed

• red seaweed

• yellow seaweed

What is the leaf-like flattened portion of the seaweed?

• holdfast

• thallus

• blade

• stipe

Which part of the seaweed acts as a root-like structure that attaches the seaweed to a hard surface?

• stipe

• holdfast

• blade

• thallus

What is one reason that phytoplankton are important? 

• they clean the water

• they make oxygen

• they are food for us

• they make the water warmer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Why are air bladders important for seaweed?

• float closer to the sun to create shade

• float closer to the sun to capture prey

• float closer to the surface to collect oxygen

• float closer to the sun for photosynthesis

Tags

NGSS.MS-LS1-6