14. It is believed that in an ecosystem, every different species plays its part in maintaining the balance of the ecosystem it belongs. What would happen if one is not able to fulfil its role in the ecosystem? *

a. Nothing would happen in the ecosystem.
b. The ecosystem will be disrupted if the role is not properly maintained and acted upon, this would cause the ecosystem to collapse.
c. Species involved in an ecosystem can just go to another area to fulfil their roles, nonetheless, it wouldn’t make an impact.
d. Those species whose roles are not properly defined in an ecosystem has little to no impact on the ecosystem they belong, therefore, a nuisance.

15. A keystone species has disproportionally significant effect on the ecosystem relative to its population size. Which animal is NOT considered as a keystone species? *

a. Sea Otters, feeds on sea urchins thus maintaining the coastal marine ecosystem.
b. Lions, the only wild animals in Africa big enough to bring down big herbivores like elephants and giraffes.
c. African Elephants, ensures enough grazing lands for the myriad of herbivores present in the savannah.
d. Hagonoy, easily spreads in agricultural land reducing space for edible plants consumed by livestock and is poisonous.

16. What does this statement mean? The relation between predator and prey is adversarial. As predators, we are threats to any prey. *

a. As predators, we have little to no effects on the ecosystem at all.
b. As predators, we are known to eat any kind of prey as long as its edible
c. As predators, too much consumption can make us prone to certain diseases.
d. As predators, too much consumption on a certain prey can lead to disruption of an ecosystem

17. Marjhorie sees that there is no longer hope in their place and that the people are no longer taking care of the environment as it is easily flooded and can no longer be of any use. What environmental approach is displayed? *

a. Instrumental Approach
b. Axiological Approach
c. Anthropological Approach
d. Utilitarianism

18. Devin hoped for moving to Maria Luisa, a famous and sought-after development in Cebu. He is hoping that it would elevate his status in the society as people living in Maria Luisa are seen as elites. What environmental approach is Devin portraying? *

a. Instrumental Approach
b. Axiological Approach
c. Anthropological Approach
d. Utilitarianism

19. As long as we exist, we consume. We make no apology for that. That is true for all organisms, from bacteria to blue whales. This statement is best supported with? *

a. There are some species that can exist without the need of consuming.
b. We are both consumers and producers at the same time. A prey and a predator at the same time
c. Consumption can be justified as long as it is for survival and to maintain the balance of the system and is needed.
d. The world is running out of resources due to an expanding population as time goes by increasing the demand and less supply.

20. As weather becomes much more variable and unpredictable, agriculture and people’s income suffer. Both our stomachs and pockets are affected. This statement best supports what idea? *

a. People are easily affected by weather patterns.
b. We could use more money in researching the weather pattern in order to predict accurately.
c. Modern technology can help address this problem by improving their accuracy in weather forecasting.
d. The weather pattern has drastically changed and sometimes becomes unpredictable even with the help of advanced technology in weather forecasting.