1) What resources do organisms compete for ? a) Individuals compete for just food . b) Individuals compete for food and space . c) Individuals compete for food, space, sunlight, mates, and water . 2) The hunter is the ? a) Prey . b) Predator . c) Predation . 3) ---------------- a close relationship between two or more different species ? a) ecosystem . b) mutualism . c) Symbiosis . 4) Which type of symbiotic relationship is white tip shark and pilot fish ? a) Omnivore . b) Commensalism . c) Parasitism . 5) The symbiotic relationship in which a leech sucks the blood of its host is a ------------------ relationship . a) Parasitism b) Commensalism c) mutualism . 6) Which of the following would promote the survival of an organism ? a) Reduced competition for food . b) Reduced food supply . c) Removal of possible mates . 7) There are three main kinds of interactions at the community level , what are they ? a) Omnivores,carnivores, and herbivores . b) Competition, predation, and symbiosis . c) Mutualism,commensalism, and Parasitism .

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