The answer is; pioneer species
These pioneer species have adaptations such as minute roots that enable them to grow on rocks, with little nutrients, and need no soil. This is why they are able to colonize new barren land. They are able to break down rocks to soil and give an opportunity for higher plants to later colonize the environment after time.
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
Global warming is an rise in global temperatures, mainly because of the increasing concentrations of greenhouse gases in the atmosphere.
The correct answer is C. This part is called the epithelium.
It is the muscular coat which consists of inner circular and outer longitudinal smooth muscle. Its main work is peristalsis.
To propel urine. The outer layer is the mucosa which has transitional epithelium that continuos with the lining of the renal pelvis and also the urinary bladder.
This layer of its work is to secrete mucus which protects and coats the surface of the cells.