While insects have six legs, many of them walk on only four legs at a time. They lack a backbone, which is a defining characteristic of vertebrates.
What is a 4-legged animal with no backbone?
That would be an insect.
What is a 4-legged animal with no backbone?
That would be an insect.
While insects have six legs, many of them walk on only four legs at a time. They lack a backbone, which is a defining characteristic of vertebrates. |