3. both the full body plate type and the half body plate trait are also present in an ocean near the lake. where would you expect a higher occurrence of the full body plate trait, in the lake or the ocean? explain your answer. (5 points)

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.