Which level of organization is made of different types of tissue working together to perform a specific job for your body

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

Diagram of the evolution of land plants?

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?