15.1 Evidence for Evolution What is Evolution? The changing of species over generations. What kind of evidence formed the basis of
early evolutionary concepts? FOSSIL Modern evolutionary theory is based on the ideas first published by? Charles Darwin What did he do on the HMS Beagle?
He was a naturalist, collecting samples of organisms from around the world and organized them based on their similarities. Artificial Selection
Breeding organisms with specific traits to produce offspring with specific traits. Natural Selection
A mechanism for change in populations. Occurs when organisms with favorable traits survive, reproduce and pass on their
traits. Mimicry An adaptation that makes a species look like a more formidable one.
Camouflage An adaptation that enables an organism to blend in with their surroundings. Homologous Structures
Physical structures with a common evolutionary origin. Analogous Structures Physical structures that have the same purpose, but different origins.
Vestigial Structures An structure that no longer has a purpose. Peppered Moth Lab
In this lab we will see why diversity in a species is so beneficial and how it is necessary for the process of natural selection and evolution. This lab will also show how species are intertwined and can affect one another.
Becoming A Predator One person from each group will transform into a predator of Peppered Moths. Then we will time
travel back to. Manchester England 1845 before the start of the Industrial Revolution.
How many Moths do you see? Manchester England 1890 Food for Thought for our Predator Brains!
How do you think your results would differ if you used a solid black background? Solid white? In modern day Manchester the Lichen is beginning to grow back on the trees, how do you think this will effect future generations of the Peppered Moth?
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