The answer is Forests and Oceans. Both of them occupy most of Earth's surface, Reflects the least amount of sun, and absorbs a lot of the sun's energy due to photosynthesis and photosynthetic organisms.
To contract and churn the food to break it down into smaller molecules
Yeast lacks a membrane-bound nucleus. The onion skin cell has one
The organism belongs to domain Eukarya since it is multicellular, but its under kingdom Plantae, beacause its makes it own food and plants do that by doing photosynthesis