How was Malthus book of 1798 help Darwin and Wallace to understand the development of the theory of
Natural Selection?

How does natural selection change thephenotypes within a population over time?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

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.