Darwin's 4 postulates
By: Manuel Alvarez
Heritable Variation
In every species there is heritable variation. This means that there is variations that occurs every new generation. This variations can be something insignificant or can be somethings that gives this new individual a particular edge.
More offsprings than survivers
Not always random
We are all different
Sources
Dailey Mail. (2011, January 26). Grief of the penguins: Scores of birds bowed in mourning after the deaths of their chicks. Retrieved April 6, 2016, from http://www.dailymail.co.uk/news/article-1350691/Penguins-bowed-mourning-deaths-chicks.html
Howohenua college. (n.d.). Howohenua college. Retrieved April 5, 2016, from http://ultranet.horowhenua.school.nz/WebSpace/3805/
University of California Berkeley. (n.d.). Introduction to Ecological Genetics. Retrieved April 2, 2016, from http://ib.berkeley.edu/courses/ib162/Week1.htm
Blankstock. (n.d.). No Casino sign icon. Retrieved April 7, 2016, from http://www.123rf.com/photo_25706603_no-casino-sign-icon-playing-card-with-dice-symbol-red-prohibition-sign-stop-symbol-vector.html