Answer: Carbamates
Explanation: Carbamate insecticides have a mode of action similar to the organophosphates and, like the organophosphates, some kill birds at low doses. Carbofuran, which has been estimated to kill one to two million birds annually in the U.S., is probable the best known example.
Answer: passive transport moves down a concentration gradient
Explanation:
Energy-requiring transport is not passive
For natural selection to happen <span>there must be genetic variation in the population for it to even work</span>
