Which of the following statements explains Lamarck’s Theory of Use and Disuse? *   a. Body structures develop because they are used extensively b. Body structures develop because they are not use c. Body structures develop because of competition d. Body structures develop because of mutation   8. Anatomical structures that have different ancestries are called __________ structures. *   a. Analogous b. Evolutionary c. Homologous d. Vestigial

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Pre-Darwinian Concepts