Answer:
Tolerance.
Explanation:
Ecological succession may be defined as the change of an species, its structure and change in the ecological community with time. Two main types of succession are primary succession and secondary succession.
The earlier plant stage does not affect the late successional plant stages. These two plant stages does not have direct competition, they are showing the tolerance model. The different species tolerate the different successional stages of each other.
I would say D. natrural selection
These steps include: reducing toxic emissions from industrial sources; reducing emissions from vehicles and engines through new stringent emission standards and cleaner burning gasoline; and addressing indoor air pollution though voluntary programs.
Answer:
Carbohydrates(glucose) and Oxygen.
Explanation:
During the process of photosynthesis, Carbon dioxide and Water combine in the presence of Sunlight and Chlorophyll to produce Carbohydrates (glucose) and Oxygen. Thus, the end products of photosynthesis are Carbohydrates(glucose) and Oxygen.