395 D. mangrove trees, fiddler crab, fish 12. What are the things needed by plants to make their own food? A. water, chemicals and oxygen B. oxygen and carbon dioxide C. oxygen and chemicals D. carbon dioxide, soil and sunlight 13. Which of the following describes a canopy of the rainforest? A. composed of trees that are 130 to 180 feet tall B. about 59 feet and consists of trunk of canopy, shrubs, small plants C. consists mostly of fungi, insects, worms and litter from taller trees D. has slender trees from a dense platform of vegetation with 60 to 1 14. What kind of interaction is shown when one organism kills another A. mutualism B. commensalism C. parasitism D. predation w 15. It is an environment where both living and non-living things yirt her.