Biology
In animals like Annelids, Molluscs, organs have associated to form functional systems, each system concerned with a specific physiological function. This pattern is called ________ system level of organization.

Coelom
Organ
Open
Closed

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Biology
Plants are killed in winter by frost

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

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