Unit 2: Marine Producers

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

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

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

Tags

NGSS.MS-LS1-6

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

• Dinoflagellate

• Diatoms

• Kelp

• Sargassum

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

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

• red

• brown

• green

• blue

Tags

NGSS.MS-LS1-6

Why are floats/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

Diatoms are: 

• Phytoplankton
• Zooplankton

Dinoflagellates can cause __________ which is toxic to fish, shellfish and humans.

• Green TIde

• Red Tide

• Malaria

• Brown Tide

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

• holdfast

• thallus

• blade

• stipe

Which type of algae includes sargasso weed and kelp?

• Green algae
• Red algae
• Brown algae