What are vertebrates?

What are invertebrates?

Define phyla?

What are poriferans?

What are cnidarians and give a example?

Define radial symmetry?

Define bilateral symmetry?

Define echinoderms?

What are annelids and give an example?

What are nematodes?

What are platyhelminths?

What are molluscs and give some examples?

What are Arthropods?

what is the largest animal phylum?

What are chordates
?

What is endoskeleton?

Define vertebrae?

What does Agnatha mean?

What are Chondrichthyes?

What are osteichtyes?

What re amphibians and give an example?

What are reptiles and give an example?