Drag each tile to the correct box. Place the items in order from highest to lowest degree of internal organization. tissue
organ system
organ
cell
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Which are evidence of seafloor spreading? check all that apply. molten material magnetic stripes continent material drilled core samples ocean water samples

Which of the following best describes the purpose of the parathyroid hormone? a. it decreases the blood calcium level and decreases blood phosphorus level. b. it decreases the blood calcium level and increases the blood phosphorus level. c. it increases the blood calcium level and increases blood phosphorus level. d. it increases the blood calcium level and decreases blood phosphorus level.

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin