Answer C, I think. Hope to help :)
Answer: genetic variation
Answer:
the total mass of organisms in a specific area or volume
Explanation:
hope this helps!!
Answer:
there is a good chance the population of mice will die off or the mice will migrate to a new area.
Explanation:
with there being so many mice and limited food mice will beging to die from starvation. mice might also migrated to a new area to find new food. this could cause competition for food in that new area too.