Well there are four Mammals, Fish, Amphibians, and Reptiles
vertebrates are fish, and invertebrates are slugs
invertebrates
The three classifications of animals are vertebrates, invertebrates, and mammals. Vertebrates have a backbone, while invertebrates do not. Mammals are a subgroup of vertebrates distinguished by characteristics such as hair and mammary glands.
vertebrates and invertebrates different?
They are vertebrates.
Vertebrates have spines & invertebrates do not have spines.
Vertebrates have spinal chord and invertebrates don't.
Vertebrates.
Invertebrates.
invertebrates
The chordata contains both vertebrates and invertebrates.
all vertebrates have endoskeleton but not all invertebrates do