Answer:
An oncogene is a gene that has the potential to cause cancer. In tumor cells, these genes are often mutated, or expressed at high levels. Most normal cells will undergo programmed form of rapid cell death when critical functions are altered and malfunctioning
Explanation:
Answer:
Due to different climatic condition.
Explanation:
Altitudinal zonation makes possible to grow many different types of crops because of different climatic condition of the region. Each and every plant has different climatic and environmental requirements due to which different plants can be grown on different places where environment is suitable. Some plants needs cool environment so they can be grown on high altitude while some needs warm temperature which can be grown on lower altitudes near the equator.
Answer:
Tolerance is the ability to live within a certain range of abiotic factors, such as temperature, precipitation amount, or presence of certain chemicals.