BIOA01H3 Chapter Notes - Chapter 20: Multicellular Organism, Selective Breeding, Embryology
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BIOA01H3 Full Course Notes
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Document Summary
He believed that both inanimate objects and living species had fixed characteristics: careful study of diff and similarities enabled him to create a ladder like classification of nature from simplest to most complex. Natural theology: sought to name and catalogue all of god"s creation: investigated living organisms, giving rise to ideas that species had changed since their creation. Carolus linnaeus - founder of taxonomy: interpreted organismal adaptations as evidence that the creator had designed each species for a specific purpose. Vestigial structures: useless body parts we observe today, must have functioned in ancestral organisms. Catastrophism: reasoning that each layer of fossils represented the remains of organisms that had died in a local catastrophe such as flood. Body parts grow in proportion to how much they are used. Unused structures get weaker and shrink: principle of inheritance of acquired characteristics. Changes than an animal acquires during its lifetime are inherited by its offspring.