C. crossing over This is because each gene have a piece of each other Hope this helped=)
This is not a biology question this is a math question
The lizards have to adapt to the environment to survive. The lizards may have always ate flies/lizards but once they reached the environment that produced opposite of their eating habits, they altered their eating habits. The lizards' adaptation will give them the ability to survive within the said environment that produce certain foods.
I think the answer is 1. after