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Some organisms suspend their metabolic a...

Some organisms suspend their metabolic activities to survive in unfavourable conditions. Explain with the help of four examples.

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Thick walled spores are formed in microbes to overcome unfavorable stressful external environment.
Spores germinate in favorable condition.
In higher plants seeds and other vegetative reproductive structures are means to tide over the stress. They reduce their metabolic activity and going into a state of .dormancy..
Hibernation : During winter animals like bears escape in time
Aestivation : Animals like snail and fish avoid summer related problem like heat and desiccation.
Diapause : Many zooplanktons undergo a stage of suspended development in unfavourable conditions.
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