How does the human mammillary body look different from the sheep?

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.

Why is it to call the calvin cycle the light independent reactions vs the dark reactions

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?