The day has less hours of sunlight in the winter because the northern hemisphere tilts the sun. also, the sun's rays do not aim directly on the land and the water. this causes winter to be cooler or cold.

Find and describe the climate zone in which you live, where else in the world do you find this climate zone? do you have any ideas about why the climates might be similar?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused 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.