Question

2. Which of the following describes the MOST important difference between invertebrates & vertebrates? A- Vertebrates contain multiple tissues, while invertebrates do not B- Invertebrates contain multiple tissues, while vertebrates do not C- Vertebrates contain a backbone, while invertebrates do not D- Invertebrates contain a backbone, while vertebrates do not Need Help

Answer 1

The most important difference between invertebrates and vertebrates is C. vertebrates contain a backbone, while invertebrates do not. The word vertebrae in Latin refers to the spine and all bones surrounding it, so obviously vertebrates are going to have a spine. Invertebrates do not have it, which the name itself suggests.