Answer:
Well if you mean species, it means the range or distribution of a species is the geographical area or habitat where the species live.
Explanation:
It would help if you could be more specific, But i hope it helps!!
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.
They exhibit, Growth, metabolism, reproduction, cellular organization, homeostasis, heredity, and response to stimuli.
veins carry deoxygenated blood back to the heart.
Answer:
Paramecium never gets old because it keeps on dividing into new paramecium by reproduction.