Answer:
Amount of food is independent variable
Explanation:
As food increases the population increase and population is the dependent variable. hope this helps :)
All of the consumers would be affected, and be forced to adapt. Since the amount of grass has decreased, the primary consumer would struggle to survive, and most likely, die out. Since the primary consumer has probably died out, the secondary would either die, or be forced to adapt to the situation, or change habitats ( applies to the rest in the food chain / web).
GG, because both parents have the exact same gene which would cause the offspring to have the same gene.