Biodiversity is valuable partly because it a) gives us interesting things to look at. b) tells us about many other species. c) contributes to medicine and agriculture. d) provides humans with resistance to disease.

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.