Answer:
mosses or lichens, algae fungi
this organisms are knows as pioneer species because they are the first species present.
Answer:
High Temperature, X-rays, Radiation, Some Chemicals
Explanation:
In general, mutations happen due to some error in the DNA duplication process, however, there are certain factors in the environment that can increase the incidence rate of these genetic errors. Excessive exposure to x-rays, substances present in smoke, ultraviolet light, excessive temperature, nitrous acid and some dyes present in food, for example, can favor the appearance of mutations. In general, we can say that mutations can be caused by high temperature, X-rays, radiation, some chemicals.
With respect, G0 meaning what?
The separation or division of the parent cell is called cytokinesis
The two serous membranes of pericardium are :visceral pericardium,parietal pericardium.