1) a group of organisms from the same species living in a certain area a) population  b) habitat c) omnivore  d) symbiosis  2) the study of how organisms live and interact in their environment.other  a) herbivore  b) biotic factor c) symbiosis  d) ecology 3) made up of groups of organisms and their environment. a) producer  b) carnivore  c) population  d) ecosystem 4) a living factor in an ecosystem a) biotic factor b) autotroph  c) consumer  d) population  5) a non-living factor in an ecosystem a) abiotic factor  b) biotic factor c) habitat d) heterotroph  6) where an organism lives a) herbivore  b) decomposer  c) ecosystem d) habitat 7) long-term relationships between two organisms from different species in a community a) symbiosis  b) biotic factor c) competition d) predator-prey 8) the symbiotic relationship that is beneficial to both organisms involved a) commensalism b) parasitism c) competition d) mutualism  9) a relationship where one organism benefits, but the other organism is not helped or hurt from the relationship a) mutualism  b) parasitism c) competition  d) commensalism 10) a relationship where one organism benefits, but the other organism is harmed by the relationship  a) mutualism  b) parasitism c) competition d) commensalism 11) a relationship where two organisms fight for food, water, living space, or mates a) mutualism b) parasitism c) competition d) commensalism 12) the role a species plays within an ecosystem a) habitat b) symbiosis c) niche d) ecology 13) an interacting group of various species in a common location a) population b) community c) ecosystem d) biosphere 14) Which of the following is the correct order of levels of environmental organization? a) organism, community, population, ecosystem, biosphere b) organism, ecosystem, community, population, biosphere c) organism, population, community, ecosystem, biosphere d) organism, population, ecosystem, community, biosphere 15) Which of the following includes abiotic factors? a) species b) community c) population d) ecosystem 16) Something that would slow the growth of a population - predation, disease, natural disasters, human impact, etc. a) limiting factors b) unlimited resources 17) When a population's environment cannot support any more individuals, we say the populationlogis has reached its a) exponential growth b) carrying capacity c) logistics curve

Unit 6: Ecology

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