Introduction to the Animal Kingdom. Introduction to the Animal Kingdom Animals are multicellular eukaryotic heterotroph whose cells lack cell walls, digestion.
Chapter 26: Sponges and Cnidarians. 26-1 Introduction to the Animal Kingdom What makes animals different from the previous organisms we have covered so.
Animals
Animals. What is an Animal? Animal – multicellular eukaryotic heterotrophs whose cells lack walls 95% of all animal species are invertebrates (no backbone.
