Number of predators is not an example of abiotic factor it is a biotic factor.
2. A. Primary Consumers
Primary consumers only eat plants, they are also called herbivores.
3. C. Overfishing and Overhunting
Overfishing and overhunting can lead to destruction and imbalance of the ecosystem. While reforestation, animal conservation and waste segregation can help the ecosystem.
4. D. Population
Population is a group of organisms that lives and works together in a same habitat.
5. B. Mango Plantation
Mango plantation is not an example of estuarine ecosystem.
6. C. Green Plants
The beginning of a food chain is mostly plants. They are producers.
7. C. Ecosystem
Ecosystem is the interaction between living and nonliving things.
8. B. Salinity
Salinity refers to the amount of salt in the water. From the word its self salinity.
9. A. Brackish Water
Brackish water is mixed with fresh and salt water. They are commonly found at estuaries.
10. A. Frogs
Frogs are biotic factor. They are mostly seen at ponds.
11. A. Community
A community is a population of organisms that interact with another population of organisms.
12. D. Use a bicycle instead of riding a car
Using a bicycle instead of a car can be a solution to our environment problems.
Letter B:
13. Manila and Subic Bay are example of Estuaries.
14. Not all bays, deltas and costal areas are estuaries, some are Tidal Flats.
15. Mud flats or Intertidal zone are areas in estuaries where mud from the seas or rivers is deposited.
16. The Coral Reefs are areas which are full of corals that act as home for fishes.
17. A Food Chain is a series of organisms in which each organism feeds on another organisms and so on.
18. A food chain always starts with a Producer. These are organisms that are capable of making their own food.
19. Humans eat both plants and animals so they are called omnivore.
20. As the highest form of living organisms, we are called to promote an eco-friendly lifestyle that promotes awareness, affection and action.
Answers & Comments
Verified answer
Letter A:
1. A. Number of Predators
2. A. Primary Consumers
3. C. Overfishing and Overhunting
4. D. Population
5. B. Mango Plantation
6. C. Green Plants
7. C. Ecosystem
8. B. Salinity
9. A. Brackish Water
10. A. Frogs
11. A. Community
12. D. Use a bicycle instead of riding a car
Letter B:
13. Manila and Subic Bay are example of Estuaries.
14. Not all bays, deltas and costal areas are estuaries, some are Tidal Flats.
15. Mud flats or Intertidal zone are areas in estuaries where mud from the seas or rivers is deposited.
16. The Coral Reefs are areas which are full of corals that act as home for fishes.
17. A Food Chain is a series of organisms in which each organism feeds on another organisms and so on.
18. A food chain always starts with a Producer. These are organisms that are capable of making their own food.
19. Humans eat both plants and animals so they are called omnivore.
20. As the highest form of living organisms, we are called to promote an eco-friendly lifestyle that promotes awareness, affection and action.
Sorry kung matagal hehe ^^
Answer:
Test I
1. A. number of predators
2. A. primary consumers
3. C. overfishing and overhunting
4. D. population
5. B. mango plantation
6. C. green plants
7. C. ecosystem
8. B. salinity
9. A. brackish water
10. D. warm temperature
11. A. community
12. D. use bicycle instead riding a car
Can't help you in Test II sorry I have works to do also.