Introns which are not expressed.
Explanation:
Chemical cycling basically helps in defining the structure and dynamics of our ecosystem. It is the flow of chemical elements and compounds between the living organisms and our physical environment. The four major chemical cycles are oxygen cycle, nitrogen cycle, carbon-cycle and water cycle. Chemical cycling can greatly influence climate and weather.
Answer:
h^2 = 0
Explanation:
When trait variance is a result of additive genetic factors, it is referred to as 'narrow sense heritability' or h^2. This estimate falls within a range of 0 to 1. h^2 is significant in indicating the evolutionary potential of a certain trait under study. Heritability value close to zero means that the variation in that trait is predominantly a result of environmental factors.
