1. Why are corals very important to marine life? a. They are the habitat of some marine animals b. They make the oceans and seas look blue C. They filter and purify water d. They make the seawater salty 2. Which of the following characterizes a tropical rainforest ecosystem? I. It is located at the polar zones II. It has diverse plant and animal species III. It is situated in tropical places IV. It caters to few plants and animals 3. Mangrove swamps is one of important components of the ecosystem? Where do they usually found? a. Along arctic coastlines b. Along rocky coastlines C. Along temperate coastlines d. Long tropical and subtropical coastlines 4. You heard about a plan to convert the nearby mangrove swamp to commercial area. Your neighbor agrees with the plan because they believed that the mangrove swamp has no economic value. After researching you want to discuss the issue with your neighbor. Which statement could be possibly convey to your neighbor to not agree with the plan? a. Mangrove swamps filter pollutants from water b. Mangrove swamps are beautiful ecosystem C. Mangrove swamps provide shelter for animals d. Mangrove swamps protect the coastal community from waves and provide food and business form people 5. The fishermen in the barangay use dynamites to have a big catch. If this practice continues, what do you think will happen to marine resources? a. Fishes will multiply fast b. Marine life will increase c. Marine life will decrease​

pki sgot po tysm ung tama sna