PDS APES 5th Period 2009-10

Trying something new.  I don’t like to use much Power Point, but have seen slideshare used as a way to share presentations.  Here is today’s presentation: Keystone and Foundation Species View more documents from Derrick Willard. What do you think of Slideshare? No more needing to mail a Power Point to a professor if you [...]

At the beginning of class today we started with a review of natural selection. The primary components that make natural selection possible are: 1. Genetic Variation (due to meiosis and mutation) 2. Overproduction of offspring 3. Struggle for existence 4. Different rates of survival and reproduction Now back to the main topic of class today. [...]