Explain with the help of suitable examples the three different ways by which organisms overcome their stressful conditions lasting for short duration.
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Please find below the solution to the asked query:
- Fungi overcome unfavourable conditions by forming an outer thick covering around the zygote which helps them to survive under these conditions.
- Zooplanktons undergoes diapause ( delay in development due to unfavourable environmental conditions). Diapause is most commonly seen in freshwater zooplankton during which they stop their development in response to adverse environmental conditions. It is definitely a physiological method to maintain constant internal environment in face of adversity.
- Polar bears hibernate during winters to conserve energy. In winters, the environmental conditions are very harsh and there is scarcity of food. So, polar bears undergo a period of hibernation in the form of metabolic suppression to keep warm and conserve energy. They become metabolically less active and even recycle their proteins and urine.
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