Resources will become scarce, and competition will rise. This can present in physical, political, or social ways. Once the population crosses the balancing point beyond carrying capacity, a number of things can happen that "correct" the problem, including out migration, starvation, disease, and conflict. Often more than one of things happens at the same time.
The answer is option 4 :3
The answer is B. controlling the flow of blood to the skin
<span> Serratia marcescens primarily produces a bright red pigment called prodigiosin. Depending on the synthesis (partial or complete) of prodigiosin, the colour of the colony can be different. At the room temperature, prodigiosin production decrease which results in the white colour of Serratia. Serratia can also be colourless due to prolonged sunlight (UV mutagenesis).</span>
