Wednesday, February 26, 2014

Biology 2 Unit 4 Day 2

Do Now
Objective: Students will diagram and describe terms related to evolution on vocab cards directional selection, disruptive selection, gene flow, genetic drift, stabilizing selection, and speciation.

Questions:
1) How do genetic drift and gene flow cause evolution?
2) What causes directional selection? Give an example.
3) What causes evolution?

Exit Ticket:
What causes evolution? Write at least 3 sentences. Repeat the question in your topic sentence. Use at least 1 green word from the objective above.