Animals
Definition of Animals Hierarchical Category as it relates to Invertebrates, Chaetognatha (Arrow Worms), Animal Species
A classification that encompasses various forms of life characterized by voluntary movement, often possessing specialized sensory organs, typically reproducing sexually, and consuming organic materials. This category includes diverse species, both vertebrates and invertebrates, ranging from common domestic pets to exotic creatures. It also covers specific species such as Chaetognatha, commonly known as arrow worms, which is a phylum of predatory marine worms.