Nonrenewable resources are used commonly and are quickly running out, and it takes longer for us to form more of these.
Since each codon consist of 3 nucleotides, 4 cordons can be formed by 12 nucleotides. (but please make sure that you check this answer. I am not completely sure)
Answer:
Fish is a species that has a spine. Although other species in that list have spines, fish is a representative vertebrate example when learning about them.
Explanation:
A vertebrate is a species that has a spine / multiple vertebrae.
<em>(I'm sorry if this was not the answer you're looking for)</em>