Intertidal Zones

The area between the highest high tide and the lowest low tide

• Hadal zone

• Subtidal zone

• Intertidal zone

• Bathyal zone

Which word pertains to being out of the water after being submerged

• emersion

• immersion

• concentration

• absorption

Besides fluctuations in salinity and water levels, intertidal organisms must also withstand wide variations in:

• Temperature.

• Light level.

• Sediment deposition.

• Current velocity.

Which of the following is not a way rocky intertidal zones are formed?

• waves

• geological processes

• currents

• sediment buildup

Where would rocky shore intertidal zones typically NOT found at?

• Hawaii

• West Coast

• East Coast North of Cape Cod

• Gulf Coast

Fine sediments in soft-bottom intertidal zones are found in in following areas expect?

• bays

• lagoons

• calm areas

• waves

Many organisms live on the surface of rocks are called

• epifauna

• sessile

• subsiding

• operculum

Anoxic means

• Oxygen available

• No oxygen

Desiccation means

• little oxygen

• drying out

• oxygen present

• saturated

Organisms close their shells to hold in water during low tide in effort to prevent desiccation

• clam-up

• tolerate

• run-and-hide