Bio; Lecture 04; Evolution

Bio; Lecture 04; Evolution - Principles of Biology 2...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Principles of Biology 2 BioU103 1-17-06 Evolution by Natural Selection Charles Darwin o Brought information from all different, seemingly unrelated disciplines together (natural history, geology, economics, etc.) and was able to build up a framework as to how change occurs over time o From this, he was able to form a cohesive and unifying theory o Didn’t come up with the idea of evolution (change over time) o he provided a mechanism by which the changes could occur: through natural selection changes could accumulate through time creating new species o Origin of Species by Means of Natural Selection (1859) Two points: Today’s organisms descended from ancestral species Natural selection provided a mechanism for evolutionary change in populations The “Origin of Species” challenged a worldview that had been accepted for centuries from the Greek philosophers to creationists Aristotle believed that all living forms could be arranged on a ladder ( Scala Naturae)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

Bio; Lecture 04; Evolution - Principles of Biology 2...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online