Answers: 3
Biology, 22.06.2019 05:00, emmalucilleblaha1995
Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation
Answers: 1
Biology, 22.06.2019 09:10, kaciebrin211
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.
Answers: 1
Biology, 22.06.2019 13:50, jahootey3042
The largest unit within which gene flow can readily occur is a
Answers: 3
Biology, 22.06.2019 18:30, ryanbreland14
Crinoids, also known as sea lilies, appear to be sea plants but are not plants at all. crinoids are an echinoderm species which uses anchoring structures called holdfasts to attach themselves to the sea floor. crinoids were most abundant in pennsylvania during the mississippian period, which ranged from 375 to 320 million years ago. fossils of the crinoids shows that during most of this time pennsylvania was that provided favorable conditions for crinoid growth. a) glacial terrain b) a dry and sandy plain c) mostly mountain ranges d) covered by warm, shallow seas
Answers: 2
What is the function of the Xylem in a leaf?...
History, 14.10.2019 15:30