Genetic Variation: Genetic variation is when a certain species has difference like the two different colored bugs.
Overproduction and the struggle for existence: The struggle for existence because the brown bugs are seen better making them more likely to be eaten. The bugs that are green camouflage making the bugs less likely to be seen and eaten.
Differential Survival and Reproduction: The birds eat all the brown bugs leaving only the green bugs to reproduce.
Change in Gene Pool: Ownly green bugs were left but passed on a brown ressive gene meanig there woul be brown nugs to,