Most organism usually maintain their internal evironments in a constant condition irrespective of external factors. But if the external condition are the alternatives for the organism to cope up with such condition

Explanation

Organisms have many alternatives.
a. The organsims can migrate i.e., they can move away temporarily from the stressfull habitate to a more hospitable are an return when stressful period is over e.g. Birds
The organism can suspend organsim like bacteria and fungi produce prodcue seeds and some other vegetative reproductive structures .The protective structres of organism germinate on availability of suitable enevironment.