BIOL 1030 Lab Midterm Exam questions and answers Graded A+

BIOL 1030 Lab Midterm Exam questions and answers Graded A+ cladogram/phylogenetic tree visually shows evolutionary relationships between groups or species or organisms what is an outgroup? brnaches from ancestor first; least related to other groups what is a node? branching point (divergance of a population) what is an ancestral character? one that is inherited from the common ancestor of a clade (or clade group) and has undergone little change since what is a dervied character? a trait that appeared in the most recent common ancestor of a particular lineage and was passed along to its descendants, but was not present in earlier ancestors what is a dichotomous key? how does it work? a scientific tool used to identify organisms or objects (like plants,