Read and answer the following questions. Write only the letter of your choice. Use a separate sheet of paper for your answers.


1. Which of the following shows the evenly distribution of species in an ecosystem?

a. 5 coconut trees, 5 mango trees and 5 pomelo trees
b. 10 duhat trees, 3 chico trees and 2 santol trees
c. 10 acacia trees, 4 mahogany trees and 1 pine tree
d. 12 avocado trees, 2 durian trees, 1 star apple tree


2. Which of the following ecosystems is MORE DIVERSE?

a. Forest              
b. Garden               
c. Grassland              
d. Vacant lot


3. What would happen to the number of coconut trees if there were a sudden increase in the population of Cocolisap, insects that feed on the leaves of young coconut trees that result in yellowing and fading of the leaves?

a. There would be a decrease in the survival rate of coconut trees.
b. There would be an increase in the population of Cocolisap.
c. There would be an increase in the survival rate of coconut trees.
d. There would be no changes in the survival rate of coconut trees.


4. What makes an ecosystem LESS DIVERSE?

a. It has few numbers of different life forms.
b. It has high index of diversity.
c. It includes many different forms of life.
d. It can withstand environmental changes.


5. Why is it better for an ecosystem to have high biodiversity rather than low biodiversity?

a. Ecosystem with high biodiversity is more unstable towards environmental changes.
b. Ecosystem with high biodiversity can withstand environmental changes.
c. Ecosystem with low biodiversity is more stable than an ecosystem with high biodiversity.
d. Ecosystem with low biodiversity adapts better to climate-driven environmental changes than more diverse ecosystem. ​