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Life, as we know it today, is presumed to have started in the sea and many of them were likely eukaryotic animal-like or..
The Earth's ecosphere was rapidly changing and throwing up a wide range of ecological niches that new adaptive organisms..
Homeostasis is the relatively stable conditions of the internal environment that result from compensatory regulatory res..
A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..