You are presented with the question "What has a complete digestive system and a closed circulatory system?" and the following answer choices: - graptolites - Veins and arteries. - sunlight - graphite - fur seals - viruses - animals with jaws - Most plants Now knowing that chordates have a complete digestive system and a closed circulatory system and all chordates have jaws, choose the best answer.
A:
animals with jaws