A vertebrate is an animal with a backbone or spinal column. This group includes mammals, birds, fish, reptiles, and amphibians. The backbone provides support and protection for the spinal cord.
As an octopus does not have a bony internal skeleton, it is an invertebrate.
Linnaeus developed a new naming system, known as binomial nomenclature, to provide a standardized way to name and classify organisms. This system allowed for clearer communication and easier identification of species across different languages and regions.
A seahorse is small and lives in the ocean. A horse is bigger and lives on land. Male seahorses give birth to their baby seahorses. Female horses give birth to their young.