A 3.1 HL Diversity of organism Flashcards
1
Q
What is a dichotomous key?
A
A dichotomous key is a (usually written) device constructed from a series of highly organized statements arranged into couplets.
2
Q
What is a couplet?
A
A couplet consists of two descriptions which should represent mutually exclusive choices (often it is a particular combination of characteristics that determines the difference).
3
Q
What must each couplet contain?
A
Each couplet only expects two answers to each question
(YES or NO).
4
Q
A
