MAKING A DICHOTOMOUS CLASSIFICATION KEY
POSSIBLE “DERIVED CHARACTERS” All made of one material Is it hinged Has a sharp edge Has holes Hammer-like head
NO Hammer-like head
Hammer-like head NO Hammer-like head
Hammer-like head NO Hammer-like head ALL Made of Wood NOT ALL Made of Wood
Hammer-like head NO Hammer-like head Sides of head are different Sides of head are NOT different All wooden NOT all wooden
Hammer-like head NO Hammer-like head Sides of head are different Sides of head are NOT different All wooden NOT all wooden ? ?
Hammer-like head NO Hammer-like head Sides of head are different Sides of head are NOT different All wooden NOT all wooden ? ?
Hammer-like head NO Hammer-like head Sides of head are different Sides of head NOT different Making a Dichotomous key 1 b a 2a Sides of head different- 2b Sides NOT different- 2 Pick 2 and write official scientific names next to final picture 1a Hammer-like head- 1b NO hammer head- Go to 2 b a Go to ?
WHAT’S IN A NAME?
What’s in a name? “People smart” Homo sapiens Image from:
What’s in a name? Bald eagle Haliaeetus leucocephalus “sea eagle white headed” Asterias rubens “Star red” Image from: Image from: