I believe the answer is the first one you listed,
Hope this helps..
The nervous system, i could be wrong.
Happy St. Patrick’s day too!
Answer:
biametallic thermometer are used in residential devices like air conditioners,oven,and industrial devices like heaters,hot wires..
Answer:
Population.
Explanation:
Population may be defined as the smallest unit of ecology and the evolution might occur at the population level.
Population is the group of the organisms that belong to the particular species and lives in a specific particular habitat. The individual of the population breeds among themselves. Sometimes the individual of two different population can also breed among themselves in extreme cases.
Thus, the answer is population.
