Question

an animal with a bony or cartilaginous backbone is a ______.
○ paleontologist
○ skeleton
○ fossil
○ vertebrate
○ invertebrate

Explanation:

A vertebrate is defined as an animal that has a bony or cartilaginous backbone. The other options are incorrect: paleontologist is a scientist, skeleton is the structural framework of an organism, fossil is preserved remains of ancient life, and invertebrate lacks a backbone.

Answer:

vertebrate