because of desiccation and mechanical damage to the tissues, because no photosynthesis takes place at such low temperature, because respiration ceases at such low temperature, because there is no transpiration" /> because of desiccation and mechanical damage to the tissues, because no photosynthesis takes place at such low temperature, because respiration ceases at such low temperature, because there is no transpiration" /> because of desiccation and mechanical damage to the tissues, because no photosynthesis takes place at such low temperature, because respiration ceases at such low temperature, because there is no transpiration" />