Chapter 11 (pg 368-399) What is a Vertebrate?

Characteristics of Chordates 1. Vertebrates are members of the phylum Chordata. *Not all chordates have a backbone. Example: Lancelets

2. What is a vertebrate? A vertebrate has a backbone that is part of an internal skeleton Also known as Endoskeleton!

Chordate Characteristics 3. All chordates in some point of their lives have 3 characteristics: A. Notochord Flexible rod that supports a chordate’s back B. Nerve cord that runs down the back Message transportation highway C. Slits in throat area Also known as pharyngeal

Characteristics of Vertebrates 4. Another name for the backbone is the spine. 5. The backbone is made up of similar bones called vertebrae.

Characteristics of Vertebrates Exoskeleton vs endoskeleton EXO skeleton is on the outside (EXIT!) ENDOskeleton is on the inside (N = IN) What’s the benefit of having skeleton?

What’s the difference between Ectotherm Vs Endotherm?