7.4 The Evidence for Evolution. Pages 296-302. biogeography. The study of the distribution of organisms. Galapagos Islands. Darwin on the HMS Beagle. 1831-1836 Galapagos Islands, 1000 km off the west coast of S. America No large land mammals or amphibians
loss of instinctive fear?
have gill slits.
fly eye rabbit eye
Dragon fly wing vs. bird wing
Dew toes in dogs hip bones in whales
The Principle of Population
All populations were limited in size by their environment—and in particular their food supply.