Students in mrs. nichols' ecology class noted that coastal regions in the state were changing. areas that had once been only occasionally submerged now remained underwater all year; even low tides did not uncover the once marshy areas. the ecology students hypothesized that the most likely reason for this change in sea level and therefore habitat was

How does the study of genetic disorders such as pku biologists understand normal alleles?

Me the formula cacl2 represents the compound

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.