Are butterflies vertebrate or invertebrate?

Butterflies are invertebrates because they do not possess a backbone. In fact, all insects are invertebrates because insects do not possess backbones. Here is my song about Butterflies. read more

They are invertebrates. All insects are invertebrates. The calling card of the vertebrate is an internal spinal column which encases and protests the spinal cord; this derived from the more primitive notochord, which a few vertebrates still retain. read more

A: According to the University of Arizona, butterflies belong to the phylum Arthropoda and subsequently classify as invertebrates. Butterflies are insects that go through three stages of development: larva, pupa and adult. Each stage of development is preceded by a series of molts. read more