20. There are many different ways that speciation can occur. These can include reproductive isolation and geographic isolation. Write your answer on the lines. Explain how genetic variations helped anoles survive a migration from one type of environment to another. 1​

Genetic variations helped anoles survive a migration from one type of environment to another because of the way the genetics were set up/ passed down to the anoles. They also could have adapted really quick by the way there skin and body make up is.  

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).