PROCESS OF EVOLUTION

Charles Darwin

• first person to write thoroughly about evolution
• Charles Darwin was a naturalist
• Sailed on a ship called the HMS Beagle
• theory helps explain the diversity of life

DARWIN'S Studies 

• he wrote detailed notes on his observations
• he spent most of his time researching the Galapagos islands
• he became interested in comparing fossils

tortoises

• he made observations of the tortoises on the island
• tortoises were very big
• tortoises with dome shaped shells ate low growing plants
• tortoises that feed on high growing plants had saddle shaped shells 

finches

• Darwin made important observations on finches
• he discovered 13 different types of species 
• large ground finch- large beak for cracking large seeds
• small tree finch-long narrow beak for 
• small tree finch-long narrow beak for catching insects

selective breeding

• you pick the traits you want 
• mostly used for dogs

theory of natural selection

•  some animals cant live in environments they weren't made for
• for example its like putting a polar bear in Africa

overproduction

• organisms produce more offspring then the environment can hold