On the Galapagos Islands there are birds that have large beaks and those that have small beaks. How would natural selection work on these birds if their food source were to become just one size? A. The large beak birds would thrive more than the small beak birds.
B. All of the birds would go extinct due to being unable to handle the new food.
C. The population would eventually shift to the beak size that was best adapted for the food.
D. The small beak birds would mate with the large beak ones to create a hybrid that could eat the food.

Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.