Class Notes (809,509)
Canada (493,754)
Biology (2,097)
BIO153H5 (186)
Lecture 2

BIO153: Lecture 2 - The Tree of Life

1 Page
Unlock Document

University of Toronto Mississauga
Maria Arts

Biology153Lecture 2 Date 050112 TopicThe Tree of LifePhylogeny y Displaying Evolutionary Relationships y The Parts of a Tree y Deciding on a Tree First Point There are 10100 Million species approximately From all this information how could we possibly cover every single one of these species Fortunately there is a method that we have used to put order to all of these species The Tree of Life or Phylogeny The current system that we use is slightly more complex than earlier forms Classification using this method is based upon similarity starting with broad general shared characteristics and moving towards more specific characteristics that branch from the main treeTo recap the taxonomic groups are as followsDomain Supergroup Kingdom Phylum Class Order Family Genus and Species Dutch Kings Play Chess On Finely Grained SandPhylogenetic trees have different parts starting with the root The splitting of a branch or root is called a node and Polytomy is when more than one branch form
More Less

Related notes for BIO153H5

Log In


Don't have an account?

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.