1. Which of the following statements most accurately describes the reason deforestation occurs in developing nations?
a. Local tropical forests are the main resource for products to sell in the global market.
b. Local tropical forests provide food, fuel, and lumber for growing populations.
c. Religious and cultural beliefs support the idea of harvesting lumber and trees.
d. Local and tropical forests are the main source for global market products, and they provide food, fuel, and lumber for
growing populations.
e. None of these answers are correct.

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 statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody

What process creates gametes? a.fertilization b.mitosis c.meiosis