Answer:

3. Example of an abiotic factor in an ecosystem?

a. animals

b. decomposers

c. temperature

d. plan

4. What is the term used for the top part of the rainforest?

a. subcanopy b. floor c. understory

cano

5. What is the main reason for the diminishing rainforest area in the Philippines

a. deforestation b. climate change c. dynamite fishing d. erosion

6. Which is NOT a type of coral reef?

a. atoll

b. lagoon

c. barrier reel

7. What makes up a coral reef?

a. algae b.rocks c. limestone d. sand

8. Which of these is called the "rainforest of the sea"?

a beach

b. estuary

c. lagoon

9. How can mangrove plants tolerate salt water?

a. They filter salt from the water using their roots

b. Their bark is made up of salt -proof material

c. They use salt and water to make food.

d. They do not absorb salt water.

10. Which is NOT a function of mangrove roots?

a. filter out salts

b. absorb and store salt from the water

c. build up shoreline

d. remove impurities and pollutants from water