which term represents animals with backbones?\no invertebrates\no heterotrophs\no autotrophs\no vertebrates

which term represents animals with backbones?\no invertebrates\no heterotrophs\no autotrophs\no vertebrates
Answer
Brief Explanations:
Invertebrates lack backbones. Heterotrophs are organisms that obtain food by consuming other organisms. Autotrophs produce their own food. Vertebrates are animals with backbones.
Answer:
D. vertebrates