Answer:C. There will be an increase in variety of the shape of the B and T cell receptors allowing them to recognize and destroy more pathogens
Explanation: usa test prep
Phylum. The classification system goes: Kingdom, Phylum, Class, Order, Family, Genus, Species. Anything that shares a class also share anything above it.
The population size of a predator species is directly controlled by the population size of it's prey. If the predator has no prey the population size will go down because they have no food.
I'll say Graph C cause both Graph A and Graph C look slighty different but both are close to being the same but in Graph C it shows different Figures Both don't match each other hence Population of birds in Graph C are specialized in different types of food.
