Please help What is the cell cycle?

1.process of duplication of genetic material
2.repeating process of DNAsynthesis
3.the time a cell spends actively dividing
4.repeating series of stages a dividing cell goes through

In which terrestrial biome can you find trees that produce cones instead of flowers and needles instead of leaves? have trees that produce cones instead of flowers and needles instead of leaves. the latitudes in this biome have evenly distributed precipitation throughout the year. is it high or low

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

What are the two main phases of a cell cycle