How do cells know when to grow, synthesize DNA, and divide?

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

Modern whales developed their traits through natural selection what occurs during the process of natural selection

What are two examples of conduction that we use everyday