The ability of an organism to survive and reproduce in its environment is called adaptation. Fitness is a result of adaptation.
Fat soluble vitamins has the FDA mandate be added to food containing olestra.
Olestra inhibits the absorption of some vitamin and other nutrient. Vitamin A, D,E and K have to be added to the food containing olestra. According to food and drug Administration olestra containing food would need to bear a label statement to inform consumers about possible effect of olestra on the gastrointestinal system
<span>Its not actually just one system if you look at it, there are various interdependent system that actually manages every movement of every system in order to maintain homeostasis, plainly every set function is a coordinated body system response. For example, the digestive system digests food because of the enzymes and the cells and organs present in its system but again, this is aided by the different hormones which is part of the endocrine system, interdependently. Thus eventually, the circulatory system is the organ system that intiates in dissemination of the different processed and intially metabolized nutrients in the digestive system and sent throughout the body. Incidentally, also the immune system acts as agent in again many systems to maintain the so-called homeostasis. </span>
<span>ileocecal valve or sphincter</span>
Answer:
D, all of these are included in the biosphere
