BIOB51 LEC 5&6 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE

BIOB51 LEC 5&6 EXAM QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS GRADED A++ LATEST UPDATE Phylogeny evolutionary history of a lineage or lineages - can depict populations, genes, species, or higher taxonomic units phylogenetic Tree visual representation of a phylogeny Node represents common ancestors for all descendent lineages Branch lineage evolving through time; connects successive speciation events or other branching events Taxa units of classification Clade a common ancestor & all descendants Homology Similarity in organisms due to common ancestry (Trait A is homologous among the red branches) Monophyletic group An evolutionary unit that includes an ancestral population and all of its descendants but not others (also called a lineage or clads) Synapomorphy A shared, derived trait (trait A occurs only in the red branches) Homoplasy