By studying just a handful of species, one biologist
can contribute to our picture of the history of
life as a whole.
Even the finest
structural details hold clues to a species' evolutionary
Andrew Polaszek, the veins on the wings of
a wasp speak volumes about its relationship to
Andrew study the wasp.
DNA analysis can
help trace the relationships between species
because closely related species share much of
the same genetic material. The technique can challenge
previously accepted classifications, showing just
how complex evolution actually is.
how DNA analysis has changed Andrew's view of