Arecent scientific study of the land surrounding a large city has found a 40 percent decrease in forest area and 60 percent decrease in wildlife over ten years. the occurence is most likely caused a. acid rain b. urban sprawl c. air pollution d. climate change

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

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.