Sometimes unrelated species evolve similar traits, despite living in different parts of the world and evolving from separate ancestors. What is this known as?

b, acidosis

acidosis is when the human body attempts to return the bloods ph levels back to normal when the blood is acidic

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.

what school and grade?