The cell cycle, or cell-division cycle, is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells.
Animals likes the sun's energy. The sun supplies energy to plants to help them grow for animals. Animals eat the plants to get the energy they need.
Hope this helps!! ;))
Have a grat day!! <3
D would be the answer to this question
Both a and b is an example of population increase of favored organisms.