Birds are vertebrate endotherms with what?
fat Energy legs like some sharks Tail invertebrates arms four
A B C D E F G H
Legs define Tetrapods.
Birds are vertebrate endotherms with legs.
Birds are vertebrate endotherms with what? (A) fat (B) Energy (C) legs (D) like some sharks (E) Tail (F) invertebrates (G) arms (H) four