1. MAKING A DICHOTOMOUS CLASSIFICATION KEY

3. POSSIBLE “DERIVED CHARACTERS”
Hammer-like head
All made of one material
Is it hinged
Has a sharp edge
Has holes

4. Hammer-like head
NO Hammer-like head

5. Hammer-like head
NO Hammer-like head

6. Hammer-like head NO Hammer-like head ALL Made of Wood
NOT ALL Made of Wood

7. Hammer-like head NO Hammer-like head Sides of head are different
Sides of head NOT different

8. Hammer-like head NO Hammer-like head Sides of head are different
Sides of head are NOT different
All wooden
NOT all wooden

9. ? ? Hammer-like head NO Hammer-like head Sides of head are different
Sides of head are NOT different ? ?
All wooden
NOT all wooden

10. WHAT’S IN A NAME?

11. What’s in a name? Homo sapiens “People smart”
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12. What’s in a name? Bald eagle Asterias rubens “Star red”
Haliaeetus leucocephalus
“sea eagle white headed”
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Asterias rubens
“Star red”
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