Answer:
Density independent.
Step-by-step explanation:
Many factors which are physical or chemical in nature can influence the mortality of a population. They are occur by the inclusion of weather, natural disaster and pollution. A deer may be died in a forest due to fire and its chances of survival depends on the quantity of population density whether its high or low.
Density independent regulation can be affected by the various factors that affects the death rate or birth rates such as environmental factor and abiotic factors.