Which information helps scientists determine the survival probability of a population?

1.the feeding habits of an individual in the population
2.the level of genetic variation in the population
3.the existence of natural selection in the population
4.the number of offspring of an individual in the population

5.the age structure of the population

6.the availability of resources in the population's habitat
7. environmental factors such as climate change or habitat destruction
8. predation pressures on the population
9. disease prevalence within the population
10. competition with other species for resources.

1 2 3 or 4

2. the level of genetic variation in the population