Answer:
Its all of these.
Step-by-step explanation:
Even though living organisms are capable of producing populations of infinite size, they are ultimately limited by
organism interactions and behaviors (e.g., cooperation, competition, etc.)
the availability of resources, such as food, water, and shelter
environmental conditions, which, in turn, may be affected by natural causes (e.g., tornado, fire, flood) or human causes (e.g., pollution, deforestation)