Which will reduce competition within a species

An easy way to calculate the amount of energy available at each level is to what?

Which ideas did your answer contain? check all that apply. no food for organisms no oxygen in the atmosphere no trees or flowering plants no products based on trees or plants (building materials, medicines, fuels, fibers) no fossil fuels

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?