Question to you: What do all vertebrates have?
Options:
- (A) fur and fat
- (B) sensory neurons
- (C) Veins and arteries.
- (D) four limbs
- (E) jaws and scales
- (F) a slimy coat
- (G) jaw and a backbone
- (H) feathers.
Let's reason step-by-step:
Vertebrates are all chordates that have a backbone. All chordates have jaws. Vertebrates have a jaw and a backbone. Final answer: (G).