Vertebrae.
Spine, in pairs of vertebrates.
The Spine, vertabrae, or The Spinal Cord.
yes, because if bats ddnt have back bones they couldn't hang upside down yes, because if bats ddnt have back bones they couldn't hang upside down yes, because if bats ddnt have back bones they couldn't hang upside down
vertebral
yes, because if bats ddnt have back bones they couldn't hang upside down yes, because if bats ddnt have back bones they couldn't hang upside down yes, because if bats ddnt have back bones they couldn't hang upside down
Vertebraes disc spin
spine
Spine. VERTEBREA
skeleton
skeleton
do lobsters have back bones
yes it have back bones