The correct statement is that viruses are not living, although this concept is widely debated. In truth, viruses are neither living nor non living, they have not been classified properly as of yet. Viruses do NOT have organelles and they can NOT produce their own energy thus they rely on other cells to provide energy and to reproduce and spread the virus for them to other cells. (I'm fascinated by viruses, sorry i rambled!)
4 Because animals that raise their young in packs is a cooperative task
Answer: If you want to reduced your energy intake then you have to carefully controlled your diet with such food as;
-Breakfast cereal
-white bread
-paste
-rice
-yogurts and other food with added sugar .
As well as drinks like Alcohol or coffee
That's all Hope this answers are helpful.
Because they let any organisms to grow,develop,survive, and reproduce.