Dr. wilson is analyzing the similarities between the wing of a bat and the arm of a monkey. he is

a. comparative embryology
b. comparative morphology
c. the fossil record
d. vestigial features

Dr. Wilson is analyzing the similarities between the wing of a bat and the arm of a monkey. He is using "comparative morphology".

Explanation:

Morphology is a division of ecology dealing with the study of the method and assembly of organisms and their exact physical topographies. Comparative morphology is study of the forms of the locus of constructions inside the body plan of an organism,and formulae the source of taxonomical classification. Comparative morphology is an significant device that helps to regulate evolutionary associations among organisms and whether or not they share mutual dynasties. Functional resemblances among organisms sustenance the knowledge that these organisms grown from a shared predecessor.

the supermassive black hole is in the middle of the galaxy.