The top documents tagged [vertebrates nerve cord]

Lecture #14 Phylum Chordata. only 45,000 species characteristics: – 1. bilaterally symmetrical – 2. notochord – 3. pharyngeal gill slits – 4. dorsal,

---

227 views

Lecture #14 Phylum Chordata: The vertebrate Phylum.

---

264 views

Lecture #14

---

31 views