Microalgae Macroalgae

The formal name for seaweed; multicellular algae

• seagrass

• thallaus

• macroalgae

• microalgae

the stem-like portion of then of seaweeds

• thallus

• blade

• stipe

• pneumatocyst

• holdfast

the root-like portion of the seaweed

• thallus

• pneumatocyst

• stipe

• holdfast

• blades

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

• stipe

• blade

• holdfast

• pneumatocyst

body of seaweed

• stipe

• macroalgae

• thallus

• blade

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

• A Spring
• A Migration
• A Bloom
• A Flower

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is one reason that phytoplankton are important?

• they clean the water

• they make oxygen

• they are drifting animals

• they make the water warmer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following phytoplankton are able to move using flagella?

• Dinoflagellate

• Diatoms

• Coccolithophores

• Cyanobacteria

How are seaweed classified or sorted in to groups?

• By their pigment

• By their length

• By the water they are found in

• By their toxins