Why do metachromatic granules stain purple/black when stained with methylene blue?

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

List two modern organisms that have pentameral symmetry

Plants that have reproductive structures called cones are?