Question

which term represents animals with backbones?
○ invertebrates
○ heterotrophs
○ autotrophs
○ vertebrates

Explanation:

• Invertebrates are animals without backbones.
• Heterotrophs are organisms that cannot make their own food, relying on other organisms for nutrition, this is not related to having a backbone.
• Autotrophs are organisms that can produce their own food, also unrelated to backbone presence.
• Vertebrates are defined as animals that possess a backbone (or vertebral column).

Answer:

D. vertebrates