The difference between the meanings of combining forms spondyl/o and vertebr/o is spondyl/o and vertebr/o both mean vertebra. There is no difference because they are both vertebra. Spondyl/o is a combining form meaning vertebrae. The two combining forms for vertebrae bones of the spine, are vertebr/o and spondyl/o.
In the presence of unlimited resources and in the absence of disease and predation, Exponential Growth will likely happen. Feel free to mark me as brainiest! <3