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in designing an invertebrate biodiversity study of a stream, different areas within the study site need to be sampled. a major consideration is how many areas to sample, which will largely be determined by available resources (people, money, time). imagining two possible scenarios, one where only 5 areas within a stream site are sampled, and another where 50 are sampled, how would the taxa richness values of the two differ? if the number was increased to 500, how might it change? draw a simple graph (species/area curve), with total cumulative number of areas sampled on the x-axis and taxa richness on the y-axis, to illustrate the relationship between these variables.