Describe how biogeographical studies, esp. of islands and continents, explain species similarities and differences

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Did you know that a single bee would have to go to over 2 million flowers to make a single pound of honey?

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.