Monophyly Study guides, Class notes & Summaries

Biological species concepy - Answer-Biological species concept (BSC) defines a species as a reproductive community and is thus based on interbreeding as a criterion. "Groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups. The BSC has dominated biology since 1940s. Problems with the BSC - Answer-Plants are problematic because of interspecific hybridization between clearly different species; doesnt apply to asexual orgnai...

BIOL BIOL 1411:Test File Review The Science of Biology, Ninth Edition Chapter 22: Reconstructing and Using Phylogenies TEST FILE QUESTIONS Multiple Choice 1. Which of the following properties of HIV makes it difficult to trace the source of the virus from one person to the next? a. The transmission of the virus involves very few (often just one) viral particles. b. HIV evolves very slowly within the host. c. The host can have a genetically diverse population of viruses. d. Mol...

Test File to accompany Life: The Science of Biology, Ninth Edition Sadava • Hillis • Heller • Berenbaum Chapter 22: Reconstructing and Using Phylogenies TEST FILE QUESTIONS (By Norman Johnson) Multiple Choice 1. Which of the following properties of HIV makes it difficult to trace the source of the virus from one person to the next? a. The transmission of the virus involves very few (often just one) viral particles. b. HIV evolves very slowly within the host. c. The host can ha...

These are the notes from Lecture 38: Phylogeny and the History of Life on Earth in General Biology I. The topics covered are taxonomy, convergence, radiometric dating, and fission tracking.