Activity #2 After discovering the ecological concepts. Let us find out how well you understand them through a 10-item multiple choices questions. Write the letter of your choice on the blank provided before each number. _____1. What do you call to the type of native species that only exists in a specific location? a. Indigenous Species b. Extinct Species c. Endemic Species d. Endangered Species _____2. What does Biodiversity means? a. Variety of life b. Extinct Species c. Life of largest organisms d. Life of all plants _____3. In which ecological concept does volcanic eruption, typhoon and earthquake connected? a. Keystones Species b. Levels of Ecological Organization c. Native Species d. Disturbances _____4. Which refer to the ability of an ecosystem to return in stability after disturbances? a. Connectivity b. Ecological Resilience c. Ecological Resistance d. Fragmentation _____5. What do you call to the type of native species that exists in a multiple location? a. Endangered Species b. Endemic Species c. Indigenous Species d. Extinct Species _____6. How does keystones species affect the flow of materials in an ecosystem? a. They interacts with other species in a symbiotic relationship or predation, loss of a keystones species, the way how the particular ecosystem may be modified. b. Nothing bad will really happen is a keystones species will be lost. c. They play their role in the system and nothing in particular event in the ecosystem is associated in the process. d. When they interact in the ecosystem, the flow of materials will eventually happen without their help. _____7. Which of the following is a human activity disturbance? a. Flashfloods b. Earthquake c. Rural and Urban Road Development d. Hailstorm _____8. Which ecological concept concerns movement of organisms during seasonal events? a. Ecological Resistance b. Connectivity/Fragmentation c. Disturbance d. Native Species _____9. Which of the following is a keystones process? a. Beavers b. Kelp Forest c. Pollination d. Estuaries _____10. What do you call to the species that become harmful in an ecosystem? a. Invasive Species b. Endangered Species c. Indigenous Species d. Endemic Species​