At which level of the food pyramid is the smallest percentage of total stored energy found?

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

What is the definition for temperature inversion

How does a catalyst influence a chemical reaction?