2.5 Determining Numbers - "How Many?"

IB Environmental Systems & Societies: 2.5 Determining Numbers - "How Many?"

"Direct and indirect methods for estimating the abundance of motile organismscan be described and evaluated. Direct methods include actual counts andsampling. Indirect methods include the use of capture–mark–recapture with theapplication of the Lincoln index."Try these activities too 2.5 Using the Lincoln Index Motile Organisms:There are several ways to count the number of motile organisms (ones that can move)....


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