BIO 123 Lecture Notes - Lecture 1: Divergent Evolution, Phenotypic Trait, Aquatic Animal

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Darwin"s theory of evolution ideas leading to the theory, major concepts of the theory, evidence supporting the theory, examples of evolution. Darwin"s descent with modification (evolution) by natural selection explains the unity of life despite its diversity and how organisms get to be suited for life in their environments. Evolution by natural selection is based on the fact that individuals with favorable inherited traits are more likely to survive and reproduce. Lamarck"s hypothesis of evolution - species evolve and adapt to their. The concept of descent with modification (evolution) leads to the common surroundings. Descent concept: all organisms are related through descent from ancestors that lived in the remote past. Ex: homologous and vestigial structures. developmental homology : species that differ as adults often bear striking similarities during embryonic stages. Ex: all living species use dna to store information. Concepts: geological evidence lead to the following ideas:

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