Which animal adaptation happened before the others?

a symbiotic relationship with the mitochondria

the correct answer in apex is tissue development, i know because i just had this question

producers: apple trees, potatoes, carrots, grains, acorns, cabbage, grass, corn, lettuce

consumers: deer, mice, rabbits, chickens, squirrels, horses, worms, cows

predators: eagles, frogs, wolves, owls

and after water is usually warmed by the sun the water temperature raises and then evaporates .