BIOSC 0370 Lecture Notes - Lecture 5: Divergent Evolution, Batesian Mimicry, Snow Goose
Document Summary
In disrupive, the people at the mean are selected against. Important points about the operaion of natural selecion. Mutaions do not arise in response to what the environment favors. The ones that are favorable do not foresee what happens. Mutaions do not occur randomly, there are mutaion hotspots in the chromosomes the above idea is what is trying to be conveyed. It may result in a change in trait mean evoluion or no change in trait mean no evoluion except disrupive selecion. Peppered moth shit from light to dark due to the coloring of trees changing due to the industrial revoluion because the dark ones survive beter. The grants researched this and a drought hit. The average bill depth went up a lot. Low and high birth weights have high mortaliies. Low birth weight babies are underdeveloped especially in the lungs and are at selecive disadvantage. Really big babies have diiculty geing out so they also are at selecive disadvantage.