To help in identifying objects like rocks, plants, animals, sea shells or other stuff, knowledgeable people create dichotomous keys. When using these keys you answer questions about the object always beginning with number one and following the directions
Read More...
Read the complete post at http://feedproxy.google.com/~r/LayersOfLearning/~3/A3i96evIqB8/
Posted
Jan 06 2012, 12:00 PM
by
Layers of Learning