Classification of Animals

Based on backbone; animals are divided into two (02) major groups:

1. Vertebrates
2. Invertebrates

Define Vertebrates

“Animals having backbone”

Examples: Cat, Fish, Frog, Lizard, Pigeon etc.

Define Invertebrates

“Animals having no backbone”

Examples: Butterfly, Cockroach, Honey bee, Snail, Star fish etc.