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16. Philippines is rich in coastal areas which are affected by the rising and receding
tides. What part of the land constantly exposed to the changing tides?
A. Estuary
B. Intertidal zone
C. Lagoon
D. Lake​


Sagot :

Answer:

B. Intertidal Zone

Explanation:

The intertidal zone is the area where the ocean meets the land between high and low tides. Intertidal zones exist anywhere the ocean meets the land, from steep, rocky ledges to long, sloping sandy beaches and mudflats that can extend for hundreds of meters. Four physical divisions, each with distinct characteristics and ecological differences, divide the intertidal zone. They are the:

Spray zone: dampened by ocean spray and high waves and is submerged only during very high tides or severe storms.

High intertidal zone: floods during the peaks of daily high tides but remains dry for long stretches between high tides. It is inhabited by hardy sea life that can withstand pounding waves, such as barnacles, marine snails, mussels, limpets, shore crabs, and hermit crabs.

Middle intertidal zone: over which the tides ebb and flow twice a day, and which is inhabited by a greater variety of both plants and animals, including sea stars and anemones.

Low intertidal zone: virtually always underwater except during the lowest of spring tides. Life is more abundant there because of the protection provided by the water.