Why was the path to discovery of the theory evolution easy or difficult? (Explain)

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.

While washing her hair olivia noticed that she was losing a lot of hair she visited a clinic and the physician reassured her that her hair would grow back how do you think olivias hair will grow back

Ihave a question. diplontic animals usually produce both eggs or sperm which are :