Practice questions, second test, fall 2005, Bio 203 1. contrast cladistics and phenetics- Cladistcs are a taxonomical approach that classifies organisms according to the order in time at which branches arise along a phylogenetic tree, without conside
Andrea Zarins Nathan Abrahamson Bio 203L Wednesday 2-4:50 Laboratory Techniques Homework (H15 pts) Due next lab (Aug 29th-Sept 1st, 2005) Using your data from class and the Graphing instructions, you will create a histogram and a line graph on Excel.
I . T h e Hi st or y of L if e on E ar th a . P r ec am br ia n (5 40 m il li on 4 .5 b il li on y ea rs a go ) i . G e ne ra l Co nd it io ns 1 . C o al es ce nc e of t he E ar th 2 . H o st il e 3 . C o ns id er ab le B om ba rd me nt 4 . O r ig in o f
a. Systematics: the study of the diversity of life and relationships among living
i. Taxonomy the classification of living things
ii. Phylogenetics The study of relationships among living things at and
above the species level