Which of these events happens in the specific immune response? a. t cells destroy cells containing viruses. b. skin keeps bacteria out of the body. c. bacteria are killed by high temperatures. d. cilia destroy viruses caught in mucus.

The answer is A. T cells are a component of the cellular adaptive immune response. They are several types of T cell: T-helper, T-effector, and T-cytotoxic. The other choices are components of the innate immune system that include the skin.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.