Return to Biology 1114 Lecture Outline Index

For a printable copy of this page click here.

Marooned in the Galapagos

I. Scenario: Trip to the Galapagos to Learn about Evolution and Adaptation via Natural Selection

II. Life on a Desert Island

A. The Galapagos Islands
B. Climate
C. Island Variation
D. In-Class Survival Exercise (part 1)
III. What are Penguins Doing at the Equator? - The Galapagos Penguin
A. Where do the Galapagos organisms come from?
B. How do organisms get to the Galapagos?
IV. Shipwrecked – How to Survive on a Desert Island
A. Land Iguanas
B. Marine Iguanas
C. Speciation by divergence of land and marine iguanas
D. In-Class Survival Exercise (part 2)
V. Relationships among Species – Coevolution of Giant Tortoises and Cacti
A. The Giant Tortoise – Testudo
B. Prickly Pear Cactus – Opuntia
C. Coevolution of predator and prey
VI. It's a Cinch to Be a Finch
A. Adaptive Radiation in a New Environment - Beak Structure and Function
B. Natural Selection in Action – Variation in Beak Size and Shape – Does It Matter?