What symbiotic relationship is characterized by the dependence of two individual organism forming a bond where both organism benefit from each other? A. Commensalism C. Parasitism B. Mutualism D. Predation 39. Which of the following is NOT a reason why there is a saturation of organism in areas near the equator? A The temperature in these areas is favorable for survival of most organism. B. Organism near the equator receives an ample amount of sunlight. C. Volcanic activity in the area keeps the soil fertile. D. The equator has a warm and wet climate. 40. Ducks are considered as predators of snails that infests rice fields. What could be the possible consequences if all the ducks suddenly vanish? A. Snails will migrate to cover more area. B. Snail population will drastically decrease C. Snails will experience population explosion D. Snails will evolve to compensate for the missing predator​