1) What is Ecosystem? a) It is a community or group of living organisms that live in and interact with each other in a specific environment and it is a set of interactions among living and nonliving parts of the environment. b) cosystems can’t be large like a pond and a backyard, or small like a discarded bottle and log. c) They will never be natural like a wilderness area, or manmade like an aquarium. d) Ecosystem includes some communities of living organisms (biotic factors) interacting with the nonliving environment (abiotic factors). e) All of the above f) A and D only 2) “Plants act as the PRODUCERS of food, animals as the DECOMPOSERS, and the microorganisms serve as the CONSUMERS”. Do you agree that this statement is COMPLETELY not true? a) YES b) NO 3) A series of organisms each dependent on the next as a source of food. a) Food Web b) Food Chain c) Food Tie d) Animal Chain 4) Which of the following is the primary consumer (PC) and the tertiary consumer (TC)? a) Grasshopper (PC) and Insect-eating bird (TC) b) Fungi (PC) and Hawk (TC) c) Deer (PC) and Mountain Lion (TC) d) Rabbit (PC) and Hawk (TC) 5) The Primary consumer eats the decomposer. a) True b) False 6) Which of the following is not a parasite? a) Flatworm b) Leech c) Tapeworm d) Caterpillar 7) A mite lives in the base of the eyelashes of people who use mascara. It feeds on the mascara; it does not seem to harm people. What type of symbiotic relationship is this? a) Mutualism b) Commensalism c) Parasitism d) Predation 8) Bacteria that live on the surface of our teeth require sugar from our food to survive. A by-product of their metabolism (body processes) decays the enamel of teeth. What type of symbiotic relationship is this? a) Parasitism b) Mutualism c) Commensalism d) Predation  9) A lot of animals rely on plants in order to survive, What would happen to those animals if ever a certain plant species they rely on disappeared? a) They would have to look for other plants to rely on. b) Nothing would effect the animals in any way. c) The population of those animals would decrease. d) a and c e) b and a f) all of the above 10) Which of the following group of words contain 3 biotic factors and 2 abiotic factors? a) stone, snail, honey, walnut, water b) fire, dirt, leaf, wood, paper c) rose, rock, grasshopper, oak tree, honey d) bee, hibiscus, air, dog, sunflower

Group 8 - Ecosystem

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