On a branching diagram, what does the joining of twigs and branches represent?Multiple choice question.The pattern of common ancestryExtinctionDifferences in classification systems

Each branch point on a phylogenetic tree represents...Question 1Answera.The direct ancestor with different derived characteristics as the two lineages diverging from itb.A common ancestor of the two lineages diverging from itc.Always an extinct ancestor of the two lineages diverging from itd.Definitive proof that the two lineages diverging from it are related

On a branching diagram, where should existing species be placed?Multiple choice question.At the base of the treeOn larger branchesOn twigsAt the nodes

Some of the "branches" of a phylogenetic tree do not extend to the end. What do these lines represent?Extinct speciesConvergent speciesLineages that have not changedSpecies of unknown origin

Explain Tree Topology

Which of the following is true with respect to phylogenetic trees?Group of answer choicesthe mechanism driving speciation events is demonstratedeach node represents a common ancestor of 2 lineagesDNA sequences are the only data that can be used to construct a phylogentic treeall areas of the genome are equally useful for producing phylogentic trees