1.AP Bio Chapter 342. Overview: Half a Billion Years of Backbones Early in the Cambrian period, about 530 million years ago, an astonishing variety of animals inhabited Earth’s…

1. Chapter 34 Vertebrates 2. Overview: Half a Billion Years of Backbones Early in the Cambrian period, about 530 million years ago, an astonishing variety of animals inhabited…

Slide 1 Fig. 34-3 Dorsal, hollow nerve cord Anus Muscular, post-anal tail Pharyngeal slits or clefts Notochord Mouth Muscle segments Slide 2 Fig. 34-4 Dorsal, hollow nerve…

Slide 1 The animals called vertebrates get their name from vertebrae, the series of bones that make up the backbone There are about 52,000 species of vertebrates, including…

Phylum Chordata (I) Lecture Series 6 Learning Outcomes ⢠Outline the five distinctive hallmarks about chordates ⢠Identify representatives from the following taxonomic…