1. Which of the following is NOT an abiotic component of tropical rainforest? A. air B. grass C. sunlight D. water 2. Which of the following components makes up the biotic factor of an ecosystem? A. grass and air B. plant and animal C. soil and sunlight D. water and pebbles 3. The following living things can be found in a mangrove swamp EXCEPT one. What is it? A. shrimps B. eel C. crocodile D. cat 4. Which of the following is the importance of mangrove swamps? A. attracts people to catch birds a
Answer (1)
1. B. Grass (biotic - living)2. B. Plant and animal3. D. Cat4. D. Protects coastlines from erosion (continuation assumed)
