Evolution. Chapter 16. Early Theory of Evolution Lamarck, a French biologist, proposed: T hat body structures could change according to the actions of the organism. Acquired characteristics could be passed on to any offspring. He was incorrect, but paved the way for Darwin. .
What is this fish’s name and what TV show is it from?
Blinky. The Simpsons
Mutation, it is the key to our evolution. It has enabled us to evolve from a single-celled organism into the dominant species on the planet. This process is slow, and normally taking thousands and thousands of years. But every few hundred millennia, evolution leaps forward.
–Professor X (X-Men 1)
-Dr. Jean Gray (X-Men 2)
frequencies of traits based on
ability to attract mates.
Reproductive isolation occurs when formerly interbreeding organisms can no longer mate and produce fertile offspring.
Gradualism is the idea of that species originating through a gradual change of adaptation.
Punctuated equilibrium is rapid speciation, in burst with long periods of genetic equilibrium in between.Rate of Speciation