Science ! a density dependent limiting factor is a factor of a population where a large, dense population is more strongly affected than one that is small and less crowded. what is a density dependent limiting factor that can affect the human population growth of north carolina? a. hurricanes b. temperature c. earthquakes d. water supply

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.