The History of Evolution. Darwin. Lamarck. Cuvier. lion. Species. Species : group of organisms that can interbreed and produce fertile offspring Different species rarely breed Interspecies breeding often results in sterile offspring Ex: Horse x Donkey = Mule Ex: Lion x Tiger = Liger
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The History of Evolution
Variation: Inherited traits that make an individual different from others
Green, flat wings of the insect above
Adaptation: Variation increases the chance of survival
Ability to blend with environment
lay eggs on plants
with fake egg spots
Can you find
Gross....bird poop...or is it???
1) Mutations: Random genetic changes may affect phenotypes
2) Recombination: During meiosis, genes recombine in varying patterns
Four differing chromatids