EVOLUTIONEVOLUTION

Evidence for evolution

• Biochemical

• Anatomical Structure

• Fossil Record

• Artificial Selection

• Modern Examples

Biochemical Evidence for Evolution

• DNA• Proteins/amino acids• Cell membranes• Cellular respiration• Photosynthesis• Other……

Biochemical evidence, cont.

Photosynthesis & Cellular Respiration

Anatomical Evidence

Anatomical evidence, cont.

Fossil Record

• Hard Fossils• Soft Fossils

• Where are the oldest layers of soil and rock?

Dating Fossils

• C14 Dating – good up to 50,000 years

Artificial Selection

• People mimic natural selection when they select the characteristics they desire in domestic plants and animals.

Modern Observations of Evolution

• Industrial melanism– Pepper Moth

Modern Observations of Evolution, cont.

• Antibiotic resistance, e.g., MRSA