An insecticide is a chemical that can rid a plant of insects that cause damage to the plant. If the same insecticide is used for many years, it is likely that it will no longer rid plants of insects. Which statement BEST explains why insects are no longer harmed by an insecticide that has been used on the same plants for many years?

Is it considered muscle s ennervation if sympathetic fibers innervate the vessels within the muscle?

Darwin’s hypothesis about how life changes over time is now called?

Abeaker of water was heated and then placed on a bench in the laboratory. the water cooled until it was the same temperature as the air in the laboratory. which of these explains the mechanism by which the water cooled? a. heat energy was transferred from the water to the air. b. water molecules from the water formed warm water currents. c. the water molecules absorbed energy from the molecules in the air. d. the water released radiation until it contained no heat energy.