1. Which of the following is NOT found in the tropical rainforests?
A. Ilang-ilang
B. Wild pigs
C. Ferns
D. Shark

2. Which of the following does NOT characterize a tropical reain forest?
A. High rainfall and high temperature
B. Diverse species of plants and animals.
C. Thich, lush carpet of vegetation.
D. Less rainfall and cold climate.

3. Why are Philippine forest called tropical rainforests? The country is ___
A. Located in the tropics and have high rainfall.
B. Consist of several islands
C. Sorrounded by big bodies of water.
D. Located in the tropics and have less rainfall.

4. Which food chain is found in the tropical rainforest?
A. Grass-Carabao-Men
B. Water lily- small fish-shark
C. Grass-deer-crocodile
S. Algae-shrimps-bangus

5. Which group of animals thrives in the coral reef ecosystem?

Fishes, corals
Jelly fishes, worms
Mollusks, crustaceans
Starfishes, sea urchins

A. I, II only
B. I, II, III
C. I, II, III, IV
D. II, III only

6. Which best describes the role of producers in the ecosystem?
A. To feed on dead organisms
B. To decompose dead organisms
C. To eat other living organisms
D. To use energy from the sun to make food.

7. What do you call the organisms that eat producers and other organisms?
A. Carnivore
B. Herbivore
C. A consumer
D. A decomposer

8. Which is considered as the resident species in the mangrove swamp ecosystem?
A. Fish
B. Egret
C. Oysters
D. Monitor lizard

9. What are the producers in the coral reef ecosystem?
A. Algae
B. Corals
C. Mangrove
D. Small fish

10. Which organisms show commensalism?
A. Fish living on corals
B. Barnacle living on a whale.
C. Sea urchin eating corals
D. Clownfish living on sea anemone

11. How are corals reefs made?
A. From hardened lava from volcanoes
B. Feom rocks that are forced up from the ocean floor.
C. From small living organisms called polyps.
D. From dead algae

12. How can people protect the coral reef?
A. By using dynamite in fishing.
B. By dumping garbage near the coast
C. Volunteer clean up drive in the for coral reefs.
D. Use cyanide in fishing.​