BIOL 1F90 Lecture 21: Chapter 21 - An Introduction Into Evolution
Document Summary
Key terms o o o o o o o o o. Analogous - showing similarity of function but different origins. Homologous - similar in position, structure, and evolutionary origin but not necessarily. Summarize 5 different types of evidence for evolutionary change. Know the difference between homologous and analogous traits. Group of related organisms that share a distinctive form. Among species that reproduce sexually, members of the same species are capable of o o o o o o interbreeding to produce viable and fertile offspring. A group of organisms belonging to the same biological species if they are (actually or potentially) capable of interbreeding to produce fertile offspring. Mid to late 1600"s john ray was the first to carry out a thorough study of the natural world. Neither proposed that evolutionary change promotes the formation of new species. Late 1700"s; small number of european scientist suggest life forms are not fixed. George buffon says life forms change over time.