What factories affect the population in an ecosystem?

Several factors influence population dynamics in an ecosystem, including resource availability, predation, competition, and environmental conditions. Resource availability, such as food and water, determines the carrying capacity of the environment for a particular species. Predation affects population sizes by controlling prey populations, while competition for resources among species can lead to shifts in population densities. Additionally, environmental factors like climate, habitat destruction, and disease outbreaks can significantly impact population growth and stability.