An ecosystem consists of biotic and abiotic components Which of the following are abiotic? A fish water and sand B. frog, fish and earthworm C. sunlight, water and frog D. water, sunlight and air Which of these ecological relationships is shown in Moss and Oak Tree? A Mutualism B. Commensalism C. Predation D. Competition 35 In Predation, one of the organisms is benefited while the other is being harmed In eagle and chicken relationship, what do you call the Eagle? A Prey B. Predator C. Host The interactions of organisms in the ecosystem exist because of A Food B. Habitat C. Ecological Balance D. Parasite 36. D. a, b and c 37 38. Life's basic unit of structure and function is the: A Cell B. Organ C. Tissue D. Organ system An organ system is a group of organs that: A are made of similar cells B. work together in performing all the functions in a multicellular organism C. work together in performing a major body function. D. are made of similar tissues 39 Which of the ff. shows the correct role of the organisms involved in an interaction? A Earthworm: Host: Loaf: Parasite B. Tick: Parasite: Dog: Host C. Tree: Host: Orchid: Prey D. Snake: Predator Chicken: Commensalism 40 What interaction is taking place among the fishes shown in the picture? A Mutualism B. Parasitism C. Competition D. Predation
