Classifications Tuesday 3/3/2015 Agenda: Cladograms

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Classifications Tuesday 3/3/2015 Agenda: Cladograms Notes: Cladograms and Phylogenetic Trees Activity: Cladogram Practice Homework/Class Work: Cladogram Worksheet due Wednesday/Thursday 3/4-3/5/2015 for 20 Points

Building Family Trees Phylogeny - Evolutionary history of an organism and its relationship to other species Cladogram- Evolutionary lineage based on PHENOTYPES Phylogenetic trees - Evolutionary lineage based on GENOTYPES

copyright cmassengale Cladogram Diagram showing how organisms are related based on shared / derived characteristics such as feathers, hair, or scales copyright cmassengale

copyright cmassengale Cladogram vocabulary 1. Ancestral Character: A trait that evolved in a common ancestor. Example: Between birds and mammals, the backbone is an ancestral character. 2. Derived character: A trait that evolved in the ancestor of 1 group, but not in another. Example: Feathers; feathers evolved in an ancestor of birds that was not also ancestral to mammals copyright cmassengale

copyright cmassengale Primate Cladogram copyright cmassengale

Notebook Checks!!! Please take out your notebook check trackers! Please write the following assignments in on your paper: Cacti Picture and Questions (20 Points) 10 Examples of Natural Selection Questions (20 Points) Classifications Foldable (10 Points) Iceman Murder Mystery Worksheet (10 Points) Anatomical Records Foldable (20 Points) Total = 80 Points