Explain why Gina’s rationale in buying organic produce is invalid in the scenario below. Situation: Gina is concerned about the quality of food her family eats, so she only buys organic produce.

How do chloroplasts set plants apart from other living things

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.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each type of organism to a characteristic that describes it.