Digestion in Animals – part 2. Phylum Chordata Dorsal, hollow nerve cord Notochord.
Vertebrates Chapter 34. Phylum Chordata Dorsal, hollow nerve cord – Tubed ectoderm Notocord b/w GI tract and nerve cord – Fluid filled fibrous cases –
Lecture #14 Phylum Chordata. only 45,000 species characteristics: – 1. bilaterally symmetrical – 2. notochord – 3. pharyngeal gill slits – 4. dorsal,