Before Darwin. Historical Examples show the Evolution of Evolutionary Theory. “Figured Stones”. For centuries, people had noticed images of plants and animal remains in stones and wondered at them.
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The Moule Intérieur, said Buffon, was caused by particles inside of an organism.
Horses in Europe remain brown and distinctly horse-like because their environment arranges the particles into a horse shape.
Move the horses to Africa, and the environment rearranges the particles, especially in the embryos, which reshapes the animals over generations.
All animals are affected equally, and over many generations, the particles reshape the horses into zebras.
In Buffon’s time, nothing was known about genes and heredity. Does modern genetic knowledge support or refute his theory? Explain as best you can.Thinking Challenge
Woo-hoo, guys, we’re alive! heredity. Does modern genetic knowledge support or refute his theory? Explain as best you can.Lamarck’s “Organic Law of Development”
Hmm, changes... I need to get organized here. heredity. Does modern genetic knowledge support or refute his theory? Explain as best you can.
Ooh, a nucleus! Problem solved!Lamarck’s “Organic Law of Development”
Being an amoeba is the pits. I can’t wait until we all become multicellular.
Cool! Tissues! Maybe we’ll get real organs soon.
Organs and bilateral symmetry! Yeah! Can’t wait until we turn into mammals!Lamarck’s “Organic Law of Development”
I’m not short, I’m vertically challenged. become multicellular.
Sure, blame me, when you’re the one who hardly left the barn before he was born.
Lamarck says it’s your fault, Stanley, that Junior’s legs are so short. If you weren’t such a couch potato and had gotten some exercise...Lamarck’s “Organic Law of Development”