Which of the following populations receives energy from population at each level of the energy pyramid A) Boreal owl
B) Mushroom
C) Red squirrel
D) Engelmann spruce

Which of the following is an oxidation-reduction reaction? (pictured below)

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

Match each symbol with its description.