Slide 1 Introduction to Animal Evolution Chapter 32 Slide 2 Origins All phyla form rather quickly in the “Precambrian explosion” Before 500 MYA Common ancestry with fungi…

Slide 1 Spore-Forming Plants The Lower Plants Slide 2 Classification of Life If we go back to ancient Greek times, Aristotle (350 BC) was the first and most influential classifier…

* Scientists generally agree about the taxonomic classification of 36 animal phyla -They do disagree, however, about how these are interrelated Traditional reconstructions…

Noncoelomate Invertebrates Chapter 33 Invertebrate Phylogeny Revolution Scientists generally agree about the taxonomic classification of 36 animal phyla -They do disagree,…

Noncoelomate Invertebrates Chapter 33 Invertebrate Phylogeny Revolution Scientists generally agree about the taxonomic classification of 36 animal phyla -They do disagree,…

* The traditional metazoan phylogeny is being reevaluated using molecular data. (Remember the homology/analogy problem.) Therefore, key morphological characters used in traditional…

Spore-Forming Plants The Lower Plants Classification of Life If we go back to ancient Greek times, Aristotle (350 BC) was the first and most influential classifier of the…