Slide 1 Phylum Chordata Subphyla Invertebrata & Vertebrata from sea otters to sea squirts Slide 2 Chordates 4 pharyngeal slits - a series of openings that connect the…
Slide 1 12345 A cladogram shows that all chordates evolved from 1.tunicates and lancelets. 2.dinosaur ancestors. 3.fishes. 4.a common ancestor. Slide 2 12345 Pikaia was an…
Slide 1 Slide 2 CHAPTER 14 FISH, AMPHIBIANS, AND REPTILES p. 394 Slide 3 All are vertebrates and belong to the Phylum Chordata “chordates” To be a chordate, certain characteristics…