Let's Try (Evaluation) Direction: Read each question carefully. Choose the letter of the correct answer. Write your answer on .space provided before the number
1. Which of the following activities destroys the marine ecosystem?
I. using net in fishing
II. reclamation
III. dynamite fishing
IV. oil spill
A. I and II
B. I, II, and III
C. II, III, and IV
D. I, III, and IV DI
2. How can you conserve rainforest?
A. by deforestation
B. by reforestation
C. by kaingin system
D. by forest fire
3. Which of the following is not a way of protecting and conserving the ecosystem?
A. Advocacy campaigns on reforestation or tree planting
B. Waste control program reusing, recycling, and safety collecting and treating waste
C. Deforestation
D. Mangrove rehabilitation
4. Which of the following animal is NOT found in the mangrove ecosystem?
A. fish
B. crocodile
C. chicken
D. snakes
5. How does the increase in human population affect ecosystems?
I. Decrease animals habitats.
II. Animal's habitat is converted into subdivisions or cities.
III. Increase animals' habitats
VI. Conserve animals' habitats
6. Which of the following are the harmful effects to communities, environments, and human beings if tropical rainforests, coral reefs, and mangrove swamps if they are not well- protected and conserved? I. Climate change and the loss of biodiversity
II. Soil erosion and flooding in coastal area
III.Lessen number of species and loss habitat
IV. Increase of tropical species
A. I and II
B. I , II , and III
C. I , II , and IV
D. I , II , III , and IV
7. What is the best way on how people can protect and conserved our assen? A. Industrialization and building houses, factories, towns, cities, and roads
B. Failure to follow government policies
C Mangrove rehabilitation includes clean-up and planting of mangrove plants
D. Wildlife hunting
8. How can you help prevent harmful effects and implications of the ecosystem?
A. by reforestation
B. by clearing the area for developing towns and cities.
C. by Kaingin system
D. by destroying the mangrove swamps
9. Which of the following statements is NOT an issue in protecting and conserving the ecosystem?
A. Industrialization such as building houses, factories, towns, cities, and roads
B. Farming method using chemicals on land
C. Habitat degradation and blockage of wildlife corridors.
D. Conservation of plants for the need of the people and animals.
10. Why do we need to protect the natural ecosystem?
A. It provides resources and needs for people and animals
B. It lessens species and loss of habitat C. It loses the ability to release more carbon dioxide
D. It serves as destructors to marine life ecosystem






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