Raven - Estuary and Intertidal Zones

Estuaries are places where freshwater and saltwater meet.

• True

• False

The lower intertidal zone is submerged in water and only exposed during extremely low tide

• True

• False

Intertidal zones are covered with water during low tide.

• True

• False

Waves refer to the movement of the surface of the water.

• True

• False

Temperature refers to the level of hotness and coldness of the water.

• True

• False

Intertidal zones are areas which are constantly exposed to the changing tides.

• True

• False

Which of the following protects and conserves the estuaries and intertidal zones?

• deforestation

• practice of 5Rs: reduce, reuse, recycle, recover, and repair

• throwing of garbage in canals

• burning of fossil fuels

Estuaries are extremely valuable because ___________.

• they can cause damage to ecosystem

• they are breeding grounds for fish and birds

• they do not maintain the health of coastal fisheries and waters

• they are a good place to throw garbage

Estuaries are habitats for animals EXCEPT ___________.

• shellfish, mussels, clams

• migratory birds

• cat, dog, pigs

• shrimps, prawns, crabs

The abiotic factor that pertains to the amount of salt in the water is

• amount of sunlight

• salinity

• temperature

• waves