What process is directly responsible for root growth in plants

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

Which is required for sexual fissiondiploid cell productionmeiosis

What type of competition exsist between two species. turtles and fish