Two systems<span> control all physiologic processes: The </span>endocrine system broadcasts<span> it's hormonal ... </span>The nervous system exerts point-to-point over body<span> control </span>through nerves<span>. ... </span>Both nervous system<span> and </span>endocrine system<span> work together to maintain ... which </span>regulate<span> the production of other hormones throughout the </span>body<span>.</span>
I think the answer would be c. because for birds with longer beaks, it was easier to eat seeds off a cactus (for example), and for birds with shorter seeds, it was easier to eat seeds off the ground.
