True! Earth is beginning to become very overcrowded and combined with the amount of people of the planet and the carelessness that they all have for it, the earth is slowly beginning to show it's age. Of course, no one will act on this opinion, because it is quite illegal to just kill people, but it is true!
The correct option is D. This is because, mucus, inflammation and fever perform different functions in the immune system.The mucus membrane produces mucus which traps microbes. Inflammation refers to a localized tissue response which occurs when a tissue is damaged. Fever inhibits bacterial growth and speed up the rate of healing of a damaged tissue.
Interphase, prophase, metaphase, anaphase, telophase,
If there were no decomposers then the dead remains and waste would pile up. The nutrients would not be replenished. Natural enrichment of the soil would not take place. All the nutrient cycles have decomposers as their components.