Dichotomous_Classification_Keys by cuiliqing

VIEWS: 36 PAGES: 4

									Dichotomous Classification
         Keys
 Helping to place organisms in the
  appropriate classification group
• A dichotomous
 classification key                   Specimen

 includes two choices
 for each characteristic

                           Subgroup              Subgroup
                              #1                    #2




                     Subgroup   Subgroup   Subgroup   Subgroup
                        #3         #4         #5         #6
Spider Key
• One common mistake is the assumption
  that a particular species is actually
  included in the key. It is possible that a
  specimen can not be identified with that
  key. This may lead to an incorrect
  answer.
• A dichotomous key alone should not be
  used to identify species.

								
To top