1 Arthropods Chapter 31 Diversity of Arthropods –Arachnids –crustaceans –Centipedes and Millipedes –Insects What is an Arthropod? Characteristics of Arthropods.
Phylum Arthropoda !
Announcements
The Nematodes
The Hemichordates and Chordates Phylum Hemichordata.
Phylum Annelida
