Chapter 14-15 Study Guide Biology

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Chapter 14 and 15 Study Guide Answers Section 14-1 VOCABULARY REVIEW 1. Biogenesis is the principle that all living things come from other living things. 2. Spontaneous generation is the supposed origin of living things from nonliving things. 3. Vital force was the force that according to supporters of spontaneous generation, caused life to appear spontaneously. MULTIPLE CHOICE 1. b 2. c 3. a 4. b 5. c SHORT ANSWER 1. Observations with the microscope revealed the existence of microorganisms that are simple in structure, numerous, and widespread. Investigators of that time concluded that microorganisms arise spontaneously from a “vital force” in the air. 2. Spallanzani reasoned that boiling the broth would kill all of the…show more content…
MULTIPLE CHOICE 1. b 2. c 3. b 4. a 5. a SHORT ANSWER 1. A biologist would concentrate on homologous features, since they originated in a shared ancestor. 2. The animal evolved from an ancestor in which that structure was functional. 3. In biogeography studies, similar animals that seem to be closely related are adapted to different environments in nearby areas. Also, in areas that are widely separated animals that seem to be unrelated are observed to have similar adaptations to similar environments in the separate areas. 4. Fossils show that a group of organisms, such as marine mammals, have changed over time to adapt to different environments. 5. The environment will not select for or against organisms that have a particular structure unless that structure affects the organisms’ fitness. STRUCTURES AND FUNCTIONS a, youngest fossil; b, mammal fossils; c, first dinosaurs; d, first land plants; e, trilobites; f, oldest fossil Section 15-3 VOCABULARY REVIEW 1. the evolution of Caribbean anole lizards 2. Examples may include different breeds of dogs, cats, cattle, or food

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