Natural Selection Study Guide Look at the beak on each of these finches and imagine how it would be helpful in eating that type of food Describe specifically how each beak would be an adaptation to the food it eats: Vegetarian tree finch:________________________________________________ _________________________________________________________________ Large tree finch: ____________________________________________________ Woodpecker finch:__________________________________________________ _________________________________________________________________Warbler finch: _____________________________________________________ _________________________________________________________________Cactus finch: ______________________________________________________ Large ground finch: _________________________________________________

Darwin pondered how many humans had selectively produced many varieties of farm animals and plants. Farmers chose certain ___________ they desired. Explain how humans have used ______________________ over the past 10,000 years to domesticate wolves into all the dog breeds alive today:____________________________________________________ _____________________________________________________________

___ _____________________________________________________________ This photo shows a limestone deposit from an ancient seafloor that has been lifted up to form this mountain-top high in the Andes of South America Identify the book that Darwin read while on the voyage of the Beagle that described how this could happen:___________________________________ Identify the author:______________________________________________ Describe this idea: _______________________________________________ ______________________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________ __________________________________________________________________________________________________________________________________ Describe how Darwin applied the idea from the book to living things ___ _____________________________________________________________

From reading an essay by _________________________________, (summarized in the graph above) about human population growth and limited resources, Darwin recognized that… ______________________________________________________________________________________________________________________________________________________________________________________________________ _____________________________________________________________ __________________________________________________________________________________________________________________________________ Darwin reasoned that…

Natural Selection in Five Steps name & description of step sketch example DETAILS TO INCLUDE natural populations growing faster (many offspring) than their limited food supply or other resources genetic variation causes some individuals to have more favorable traits (adaptations) and some individuals to have less favorable traits in that environment (camouflage, helpful structure/behavior) most individuals with less favorable traits die, while most individuals with more favorable traits survive survivors with more favorable traits reproduce, passing on this trait, few offspring with this trait are better at the Struggle to Survive in the next generation compared to few offspring with less favorable trait