700 Cephalopoda 600 Gastropoda Bivalvia Polyplacophora 500 400 300 200 100 0 Nautilus pompilius Euprymna scolopes Octopus minor Octopus bimaculoides Octopus vulgaris Aplysia californica Lottia gigantea Crassostrea gigas Chlamys farreri Acanthopleura granulata MYA Trends

Describe the process we use to infer the phylogenetic relationships of a set of living organisms.

Explain the difference between maximum Parsimony and maximum likelihood, when used in computing phylogenetic trees.

Give detailed conclusion on phylogenetic species concept

Below is a phylogenetic tree. Which of the following statements is correct? G B C. H. K F Species C and D are called sibling taxa because both are derived from the same parent species H. Species F is more related to species K than species D is. Species A, B, and D share a common ancestor of species I. All species shown are currently with us. All of the above A.