120 likes | 301 Views
MAKING A DICHOTOMOUS CLASSIFICATION KEY. http://www.qacps.k12.md.us/ces/Staff2.htm. POSSIBLE “DERIVED CHARACTERS”. Hammer-like head. 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.
E N D
MAKING A DICHOTOMOUS CLASSIFICATION KEY http://www.qacps.k12.md.us/ces/Staff2.htm
POSSIBLE“DERIVED CHARACTERS” • Hammer-like head • 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 headNOT different
Hammer-like head NO Hammer-like head Sides of head are different Sides of headare NOT different All wooden NOT all wooden
Hammer-like head NO Hammer-like head Sides of head are different Sides of headare NOT different ? ? All wooden NOT all wooden
What’s in a name? Homo sapiens “People smart” Image from: http://www.earlylearning.ubc.ca/images/photo_baby.jpg
What’s in a name? Bald eagle Haliaeetus leucocephalus “sea eagle white headed” Image from: http://en.wikipedia.org/wiki/Image:Haliaeetus_leucocephalus-tree-USFWS.jpg Asterias rubens “Star red” Image from: http://www.essencesonline.com/k_starfish.jpg