There are many microscopes that can be used to view small objects. Which microscope would be best to view this structure?( Image below )

a compound microscope
a transmission electron microscope
a scanning electron microscope
a scanning tunneling microscope

Zoo geographic regions are characterized by the presence of specific groups of animals these regions are determined by the taxonomic or phylogenetic relationships of animals. the map shows the zoogeographic regions proposed by the naturalist alfred russel wallace in 1876. the similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between the organisms in both locations ?