What does an invertebrate not have?
Correct answer: Backbone

Biological/Mojo
I only know this from science class I learnt at (8) years old
also amphibians ect. interesting from a illetriate

lee
Biological/Mojo, Hi

hi
vertebrae, means bones, invertebrate means exo-skeleton. usually breathe through holes in that skin... another story!

Potato
I was tempted to go with teeth

Jhodi
Biological/Mojo, yes, me too