What happens to energy as it flows through a food web?

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

Matthew decided he wanted to hike up mount everest. on his way to the top, it began to snow and the temperature dropped to -10°f. matthew forgot to wear a heavy jacket so his body began to shiver beyond control. in this case, matthew's body shivering is the to a drop in temperature. * 0 points reflex stimuli responce environmental facto

Match the description of each organism to the appropriate category