Lecture 6

Question 1

what is taxonomy

Answer 1

it’s naming and identification of taxa; species and groups of species

Question 2

what is phylogenetics

Answer 2

the estimation of evolutionary trees

Question 3

names the groups of taxa?

Answer 3

species, genus, family, order, class, phylum, kingdom, domain

Question 4

what is the difference between cladogram and phylogram

Answer 4

cladograms branches lengths have no meaning but phylogram branch lenghts represent the amount of evolutionary change

Question 5

what is monophyletic group?

Answer 5

an ancestor and all of its descendants

Question 6

what is paraphyletic group?

Answer 6

an ancestor and some, but not all, of its descendants

Question 7

what is a polyphyletic group?

Answer 7

a group that does not include its own recent common ancestor

Question 8

what is parsimony?

Answer 8

is one method for inferring evolutionary trees from many characters by being the fewest evolutionary changes in total