1) The study of organisms in their natural environment is known as... a) Biology b) Ecology c) Biochemistry d) Community studies e) Population studies f) None of the above 2) A population is... a) The total number of ALL organisms in one area at the same time b) The total number of organisms of ONE SPECIES in one area at the same time c) The total number of INTERACTING organisms in one area at the same time d) The name given to the number of humans on the planet e) None of the above 3) A community is... a) The total number of ALL organisms in one area b) The total number or organisms of ONE SPECIES in one area c) The total number of INTERACTING organisms in one area d) The name given to how humans help each other e) None of the above 4) The set of conditions that surround an organism/population/community is known as the environment. This consists of... a) Flora and fauna b) Biotic and abiotic factors c) The land and the air d) The niche e) None of the above 5) The place where an organism lives is known as its... a) Ecology b) Niche c) Environment d) Habitat e) None of the above 6) The niche is different to the habitat because it... a) Does NOT include what the organism does e.g. feeding habits, tolerances etc b) DOES include what the organism does e.g. feeding habits, tolerances etc c) None of the above 7) The main reason we use sampling to calculate population size is because it is often hard to count all of the organisms in a population a) True b) False 8) A defined area in which to sample organisms is called... a) A random sample b) A transect c) A quadrat d) Percentage cover e) None of the above 9) The mark-release-recapture method is also known as... a) The Lincoln index b) The Peterson index c) Randon sampling d) A transect e) The Weiberg index f) None of the above 10) Which of these is not a method of sampling using a transect? a) Belt transect b) Interupted belt transect c) Line transect d) None of the above 11) WHich of these is not an asumption when using mark-release-recapture? a) The method of marking is not removed during the experiment and is not deleterious to the animals. b) The proportion of marked to unmarked individuals in the 2nd sample is the same as the proportion of marked to unmarked individuals in the whole population. c) The marked individuals distribute themselves evenly throughout the population. d) The population has a definite boundary and there is no immigration or emigration. e) Few if any births or deaths occur during the experimental period. f) None of the above 12) What does this equation calculate? a) Population growth b) Percentage population growth c) Birth rate d) Death rate e) Rate of natural population increase f) None of the above
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Full ecology quiz
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