What is the main topic?
Cladistics
What's the word's country of origin?
from Greek , "klados"
What is it?
an approach to biological classification in which organisms are categorized based on shared derived characteristics that can be traced to a group's most recent common ancestor and are not present in more distant ancestors
How long ago did it appear?
as early as 1901
By who?
by Peter Chalmers Mitchell
How?
with a work about birds
Did anyone else write about it?
yes
Who was next?
Robert John Tillyard
How many years later?
20
What was his focus?
insects
Who was next?
W. Zimmermann
What was his focus?
plants
When?
1943
How are organisms classified under this approach?
organisms are categorized based on shared derived characteristics that can be traced to a group's most recent common ancestor and are not present in more distant ancestors
Who coined "clade"?
Julian Huxley