suresh In the field of Zoology, the key difference between a vertebrate and an invertebrate lies in their skeletal structure. Vertebrates possess a backbone or spinal column made up of individual vertebrae, providing support and protection for the spinal cord. On the other hand, invertebrates lack a backbone, with many species relying on exoskeletons or fluid-filled cavities for support.
From an evolutionary standpoint, vertebrates are generally considered more complex than invertebrates due to their well-developed nervous systems and ability to adapt to various environments. However, invertebrates make up the vast majority of animal species, showcasing a wide range of diversity and adaptations.
Understanding the distinction between vertebrates and invertebrates is fundamental in the study of animal biology and classification, providing insights into the unique characteristics and evolution of these two broad groups of organisms.
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