Density Independent factor that affects population size is Natural disaster.
<h3>What is meant by Density Independent Factor?</h3>
Density-independent factor, also known as limiting factor, in ecology, any force that affects the size of a population of living things irrespective of the density of the population (the number of individuals per unit area). Density-independent factors often arise from physical and chemical (rather than biological) phenomena.
<h3>What is Natural Disaster?</h3>
A natural disaster is basically "the negative impact following an occurrence of natural hazard in the event that it significantly harms a community". A natural disaster can cause Property damage or loss of life, and generally leaves some economic damage in its wake.
The Seriousness or severity of the damage depends on the affected population's resilience and on the infrastructure available.Examples of natural hazards include: avalanche, coastal flooding, cold wave, drought, earthquake, etc.
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In this situation, the externalities that arise from studying is the unability to enter college and obtain good-paying jobs.
From the description above, we can conclude that Jacob is much more likely to experience these externalities since he does not consider the importance of studying and how it might influence his future.
<span>They are similar, both having structures that rise several stories off of the ground. </span>
