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I. Directions: Read each question. Encircle the letter of the correct answer.
1. This is an area in estuary that is filled with mangrove trees that serve as breeding ground for fish and other
organisms in estuary.
a. mangrove forest
b. coral reefs
C. fresh water d. intertidal zone
2. What do you call the area where sea water and fresh water meet?
a. estuary
b. intertidal zone
C. forest
d. shores
3. It refers to the movement of the surface of water.
a. temperature
b. waves
C. Saltwater
d. salinity
4. What do you call the amount of salt in the water?
a. salinity
b. temperature
C. Saltwater
d. waves
5. What type of water does estuary have?
a. reddish water
b. blackish water
C. yellowish water
d. brackish water
6. Which of the following living things that you cannot found in a rocky shore?
a. sea grass
b. shrimps
C. shore crab
d. plankton
7. What is the importance of estuaries?
a. they filter sediments and pollutants
b. they filter the salt from the sea
c. they serve as breeding ground for different species
d. all of the above
8. Which living organism can be found in a rocky shore?
a. cat
b. frog
C. parrot
d. crabs
9. Estuaries can be defined as
a. nurseries of the water
b. nurseries of the sea
C. nurseries of the fish
d. nurseries of the forest
10. What do you call the area affected directly by rising and receding tides and serve also as home for several
animals?
a estuary
b.intertidal zone
c. forest
d. shores​