HW: Dichotomous Key (if incomplete)

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HW: Dichotomous Key (if incomplete) Monday May 15, 2017 I can: use a dichotomous key to identify an organism Agenda (10) Catalyst (10) GN: Dichotomous Keys (15) Emoji Dichotomous Key (together) (45) Arachnid Dichotomous Key OR DIY Dichotomous Key (pairs) (5) Exit Ticket Catalyst How has classification changed over time? Answer the following: What was Aristotle’s contribution to classification? How did Linnaeus classify organisms? What do we know now due to modern technology that we did not in either man’s time? HW: Dichotomous Key (if incomplete)

Dichotomous Keys Dichotomous Keys: allow people to identify different species. They are created by scientists to allow other people to identify species.

Dichotomous Keys Dichotomous: Di = 2 chotomous = splitting Dichotomous keys always give you 2 choices at each step.

Dichotomous Keys Rules: ALWAYS start at number 1 on a dichotomous key. Pick which choice is true for the organism When you reach a name, you have identified the species