I think it would be because the lizards were able to adapt from the environment. Environment adaptation.
Hypothesis are testable meaning you are able to preform an experiment to see the relationship between two variables.
Answer: Incomplete dominance
Explanation:
In incomplete dominance, both alleles are expressed but have become blended giving rise to a new trait with one also been more noticed than the other although both are expressed. For instance a red flower and a white flower are crossed, giving rise to a pink flower. As compared to codominance, both alleles are equally expressed and are equally dominant. For example, a white college crossed with a black hen giving rise to a black and white (checkered) chick.
Goku is stronger than vegeta