Marine Plants Quiz

What is the most familiar type of marine algae?

• Green algae

• Red algae

• Seaweeds

• Unicellular algae

Which kingdom do multicellular algae belong to?

• Protista

• Plantae

• Fungi

• Animalia

What is the purpose of pneumatocysts in seaweeds?

• To aid in photosynthesis

• To provide support

• To anchor seaweed to the bottom

• To keep plants floating close to the sea surface

Which pigment gives brown algae their color?

• Carotenoids

• Fucoxanthin

• Phycobilins

• Chlorophyll a

What is the largest and most complex type of seaweed?

• Green algae

• Red algae

• Brown algae

• Seagrasses

What is the purpose of seagrasses in marine ecosystems?

• To reduce movement of waves and currents

• To keep plants floating close to the sea surface

• To anchor seaweed to the bottom

• To provide support

Which type of plant spends its life submerged by seawater?

• Cordgrasses

• Salt marsh plants

• Seagrasses

• Mangroves

What is the main adaptation of mangroves to prevent water loss?

• True roots, stems, and leaves

• Thick leaves

• Salt glands

• Pollination through water

Which type of plant is found in estuary ecosystems?

• Cordgrasses

• Salt marsh plants

• Seagrasses

• Mangroves

What is the purpose of salt glands in salt marsh plants?

• To keep plants floating close to the sea surface

• To provide support

• To excrete excess salt

• To anchor plants to the bottom