Answer Happy

[Choose Organisms with a notochord that extends the entire length of the body throughout its life [Choose Lobe-limed vertebrates Clade of predatory dinosaurs with hollow bones and three-toed limbs Ecdysozoans Marsupials Most diverse phylum of animals in number of species and number of individuals Scyphozoans Theropods Include deep-sea chimaeras Anthozoans Lancelets Jawless fish with cartilaginous vertebrae Neopterans Lampreys Archosaurs Insects that can flex their wings over their abdomens Tunicates Arthropoda Protostomes with an external cuticle Prototherians Rotifers Only mammals that lay shelled eggs Pterygote Include corals, sea pens, and sea anemones Ray-finned fishes Chondrichthyans Hagfishes Organisms with a characteristic ciliated structure called a corona [Choose