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