What group of animals do chordates belong to?
Options:
- (A) graptolites
- (B) more abundant
- (C) warm-blooded
- (D) four limbs
- (E) epidermal
- (F) Vertebrates
- (G) animals
- (H) insects Let's be accurate as possible.
Chordates have a complete digestive system and a closed circulatory system. Vertebrates have a closed circulatory system. Chordates are vertebrates.
The final answer: (F).