Fact 1: Chordates have a complete digestive system and a closed circulatory system.

Fact 2: All chordates have jaws.

Given the two facts above, answer the question "What has a complete digestive system and a closed circulatory system?" with the following options: 
- graptolites
 - Veins and arteries.
 - sunlight
 - graphite
 - fur seals
 - viruses
 - animals with jaws
 - Most plants


 

       animals with jaws  