What would happen to the population of mice if grasses were lost to a forest fire?

A. It would increase because there would be new plant growth.

B. It would decrease because grass is the mice’s main source of food.

C. It would not change because the mice have several other sources of food.

Based on the given options, the population of mice would not get affected as mice seems to have other sources of food as well.  

•The sequence of the transfers of energy and matter in the form of food from organism to organism is termed the food chain.  

•In the given food chain, it can be seen that grass is not the sole source of food for mice, it can even also feed on grasshopper.  

•So, even if the grasses get lost to forest fire, they can still feed on grasshopper, till they perish, as the main source of food for grasshoppers is grass.  

Thus, the correct statement is option C.  

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i think its both a and b