Lecture 017 - Evolution As A Theory

Lecture 017 - Evolution As A Theory - Isnt evolution only a...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Bio1222 Isn Isn ’t evolution t evolution ‘only a theory only a theory ’? • Nature of scientific theories • History of evolutionary thought • Darwinian theory • Evolution of evolutionary theory Bio1222 What is a theory? What is a theory? • ‘an untested idea or opinion… speculation, guess or conjecture’ • in science, an explanation of natural phenomena, built up logically from testable observations and hypotheses
Background image of page 1

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

View Full Document Right Arrow Icon
2 Bio1222 Examples of scientific theories Examples of scientific theories Bio1222 Scientific theories and Scientific theories and falsifiability falsifiability • To be considered scientific, a theory must: Karl Popper 1902-1994
Background image of page 2
3 Bio1222 Is this statement falsifiable? Is this statement falsifiable? • All swans are white Bio1222 Scientific theories and Scientific theories and ‘verifiability verifiability • Can these statements ever be proven correct? – “Earth is the only planet in the universe that
Background image of page 3

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

View Full Document Right Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 10

Lecture 017 - Evolution As A Theory - Isnt evolution only a...

This preview shows document pages 1 - 4. Sign up to view the full document.

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