Due will mark as

4. which of these statements is a principle of the cell theory that supports the idea that new cells will replace damaged cells in a scraped knee?
a. all living things are compose of one or more cells
b. cells are the basic units of structure and function in living things
c. all cells arise from previously existing cells
d. most cells are too small to be viewed with the unaided eye

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

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.