NEED HELP with this for my final...Thanks in advance.

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

Which animal is a producer in this ecosystem

Several billion years ago which gas was the least prevailant in the atmosphere