All living things must be able to reproduce and develop, react to their environment, be made of cells, and use energy.
<span>A polygenic trait is contributed by two or more genes one gene two alleles multiple alleles. True!</span>
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.
A human is more closely related to a mouse than a kangaroo
