BIOL 1000 Life ScienceAt-Home Lab: Classification (Nuts & Bolts)
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Practice Using a Dichotomous Key
The identifying numbers for the nuts and bolts have been mixed up for practice. Each
item is labeled P1, P2, etc., standing for Practice 1, Practice 2, etc. Examine each
specimen one at a time and use the dichotomous key in the Instructions handout to
identify its correct Species Letter. Write the correct Species Letter in the blank next to
each specimen.
P1
P5
P3
P2
P6
P7
P4
P8
1