1. Refers to the appearance of a new species over time
Macroevolution
Refers to the appearance of a new species over time

2. Patterns of Macroevolution
Convergent Evolution
Directed by environment
Species in similar environment should evolve similar adaptations
Example: dolphins and sharks/ fish

4. Coevolution
Species that live in close contact have clear adaptations to one another’s existence
Example: hummingbirds and flowers

5. Yucca Moth & Yucca Plant
Moth & Lily

6. Adaptive Radiation
Over time, species may split into two or more lines of descendents, or lineages
New species enters an environment with few otherspecies

8. Extinction
All members of a species die off
Example: dinosaurs

10. Gradualism Small gradual change over long periods of time
Example: Galapagos finches

11. Punctuated Equilibrium
Environmental changes create new pressures which cause new species to appear suddenly