Question: Fact 1: Vertebrates are all chordates that have a backbone. Fact 2: Invertebrates are animals who lack a backbone or spinal column. Given the two facts above, answer the question "What do all vertebrates have that invertebrates don't?" with the following options: - sensory neurons - fur and fat - bones and joints - a jaw bone - kinetic energy - Chemical energy - a spinal column - a set of gills
Answer:
a spinal column