1) What piece of equipment is used for random sampling? a) Quadrant b) Quadrat c) Metal grid d) Transect 2) Which pieces of equipment are used for systematic sampling? a) Quadrant b) Quadrat c) Metal grid d) Transect 3) How do we know where to place a quadrat? a) Generate random numbers as coordinates, and drop the quadrat there. b) Throw the quadrat into a field c) Choose an area with lots of plants and animals 4) When do we use random sampling? a) To estimate the total number of organisms in an area b) To investigate the distribution of organisms in an are c) To investigate the effect of a factor on organisms in an area 5) When do we use systematic sampling? a) To investigate the total number of organisms in an area b) To investigate the effect of a factor on organisms in an area 6) Systematic or random: There are more trees in woodland A than woodland B a) Systematic b) Random 7) Systematic or random: How distance from a path affects growth of daisies a) Systematic b) Random 8) Systematic or random: How distance from a tree affects growth of grass a) Systematic b) Random 9) Systematic or random: Estimate the total population of cacti in a desert a) Systematic b) Random 10) Systematic or random: Estimate the number of plants in a river a) Systematic b) Random 11) Systematic or random: Investigate how pollution affects plant growth a) Systematic b) Random

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