Why do chicken eggs grow larger compared to other eggs?

Chicken eggs grow larger compared to other eggs due to their relative body sizes.

Explanation:

Egg laying and the size of an egg is relative to the size of the organism. So an ostrich lays a really large egg because it is a larger animal and can handle that size. Whereas a bluebird lays a small egg because it is a small bird.

when it is at an intermediate population density

i believe your answer would be c.. : )