What is the range of the minimum ph levels that supports life for the nine species?

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

Which feature would you expect to find in a population in which sexual selection depends on male competition?

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