they are insects not mammals
No! invertebrates such as crickets and worms have no spine (back bone) but in stead have a exoskeleton (a sort of hard armor or shell best seen on a beetle) when a reptile which is a vertebrate which has a spine or exoskeleton.
crickets have crickets and katydids have katydids
A Beaver is a vertebrate and a mammal.
vertebrate.
It is a vertebrate. It has a spine.
vertebrate.
Vertebrate
vertebrate
Vertebrate
Vertebrate :)
vertebrate, they are birds through much discovery, they are vertebrate.
The donkey is a vertebrate