Astudent hypothesizes that increasing the levels of sugar in the diet of mice will cause weight gain. what would be the variable for the experiment? amount of sugar number of feedings type of mice weight of mice

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 medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

Aphids are tiny insects that feed on plants. ladybugs are to plants because they eat aphids. which type of organism are aphids in this scenario? co decomposers predators prey producers