Toda la materia (sólida, líquida y gas) se compone de átomos o moléculas que se mueven aleatoriamente de manera continua. En virtud de esto, los átomos y las moléculas de la materia se dice que tienen energía

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

the answer is d p: cell, q: organ, r: organ system, s: tissue

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.