Yes.
yes all mammels have 7 cervical vertebrae,even girraffes
No
what are mammels that live on land called? they are called terresteral creatures
yes
Yes.
Yes.
mammalogist
Yes they are.
They were reptiles
No they have gills
yes
is your crocoidiles referring to crocodiles and mammels referring to mammals?if so, crocodiles are not mammals they're reptiles..