Ocean Habitats & Seaweed

What is an area called where freshwater meets saltwater.

• estuary
• habitat
• wetland
• swamp

What are the gas-filled bladders that help the blades float near the surface?

• thallus
• holdfast
• stipe
• air bladders

Which part of the seaweed is a stem-like structure that supports the blades?

• thallus
• stipe
• holdfast
• pneumatocysts

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

• stipe
• holdfast
• blade
• thallus

In a salt marsh, you find more plants

• Closer to the water
• Further from the water

In a salt marsh, the largest stress on organisms is

• Waves
• Exposure
• Salinity
• Sunlight

In a rocky intertidal zone, you find more organisms

• Closer to the water
• Further from the water

Animals with hard shells are most likely found in 

• The salt marsh
• The rocky intertidal zone

In a rocky intertidal zone, animals face the most stress in

• The low tide zone
• The splash and spray zone
• The high tide zone

In a rocky intertidal zone, the largest stress is

• Wave stress
• Exposure stress
• Sunlight availability
• All of the above