Invertebrates, like vertebrates, are classed by body form, life cycle, and evolutionary history. Invertebrates are animals that lack a backbone or bony skeleton.They vary in size from microscopic ...

Invertebrate Animals: The animal kingdom is full of diverse species, each uniquely adapted to survive in its environment. Among them is a vast group known as invertebrates, animals that do not have a ...

Invertebrates dominate the animal kingdom, making up 97 percent of all creatures. These animals, lacking a backbone, display incredible diversity. From microscopic mites to giant squid, their ...

Invertebrates are animals lacking a backbone. They comprise the majority of Earth's species. They inhabit oceans, soil, and forests. Invertebrate Animals: The animal kingdom is full of diverse species ...