Marine Plants, Plankton, and Microorganisms Quiz

The body structure of marine algae is known as

• body

• rhizoid

• system

• thallus

Seaweed is also known as

• aquatic plants

• sea grasses

• marine algae

• mangroves

Specialized structures on algae that provide buoyancy are known as

• floaties

• air bladders

• preserves

• swim bladders

Seaweeds are held in place by their

• stipes

• blades

• roots

• holdfasts

Seaweeds that have special holdfasts to attach to other plants are called

• rhizoids

• hyphae

• epiphytes

• fingerlets

Seaweed's "shock absorbers" against crashing waves are

• stipes

• blades

• roots

• holdfasts

Match the following

• Chlorophyta

• Brown algae, contain pigment fucoxanthin, major source of algin, largest/most complex seaweed

• Phaeophyta

• Green algae,

  most similar to land plants

• Rhodophyta

• Red algae, contain pigment phycobilins, sourse of agar and carrageenan, found living in deeper water than most algae, highest value

Salt marsh grasses transport oxygen by using

• floaties

• air bladders

• preserves

• air tubes

Plants that drift in the ocean currents

• phytoplankton

• zooplankton

• nanoplankton

• macroplankton

Animals found drifting with the ocean currents

• phytoplankton

• zooplankton

• nanoplankton

• macroplankton