In the southern european plains, a species of flower comes in two colors, purple and pink. when pink flowers are most common in a field, bees visit and pollinate the purple flowers more often, and vice versa. this switching of pollinator preference will result in

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars