The animals having backbones are called _____.
simple
complex
invertebrates
strong
vertebrates
3 answers
vertebrates
Select 3 that apply.
What are the 3 basic fish groups?
hairless
one gill
bony
cartilaginous
jawless
What are the 3 basic fish groups?
hairless
one gill
bony
cartilaginous
jawless
bony, cartilaginous, and jawless.