List four levels of an energy pyramid, or four links in a food chain, involving humans. List them in order, from base to top level. Type your answer bare​

Top predator (top level)

Tertiary consumer

Secondary consumer

Primary consumer

Producer (base)

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.