Environmental Science
Many freshwater animals cannot live for long in sea water and vice versa mainly because of the

Change in N levels
Variations in light intensity
Change in the levels of thermal tolerance
Spectral quality of solar radiation
Osmotic problems

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Environmental Science
Ecology is

The study of the relationships between organisms and their environment
The study of the environment in the absence of humans
The science that studies the evolution of life,
Integrates both social and natural sciences to help us understand how the earth works,

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