23. What best describes a mollusk? A it has stinging cells C. it has internal or external shells B. it has jointed legs D. it has large pores all over the body 24. What enable monkeys to climb trees? A long tails c. slim and light body B. well-developed hands and feet D. segmented body structure 25. Which animal has marnrnary glands and can fly A parrot B. bat C. lizard D. Whale 26. In what habitat does the fish use its fins and gills? A land B. air C. water D. forest 27. What best describes a reptile? A, it has gills and fins C. it has dry skin and covered with scales B. it has wings and feathers D. it has soft and slimy body 28. What best describes a marmal? A, it has long legs for running C. it has beaks for picking food B. it has mammary glands D. it has wings and beaks for hunting 29. In a coral reef ecosystem, clown fishes and sea anemones live together. What type of relationships do they have? A. Commensalism B. Mutualism C. Parasitism D. Predation 30. Which of the following is an example of mutualism in the tropical rainforest? A. Colonies of ants C. Snake and rat B. Lichen (fungus and algae) D. Barnacle and whale
