Answer:
Option (A).
Step-by-step explanation:
Limiting factors may be defined as the factors that are responsible for the limit of the population size and slows its growth. Both biotic and abiotic factors can acts as limiting factor for the population growth.
The scrub jays limits its size due to the limiting factors. The amount of food available in the area can acts as the limiting factor for the scrub jays. The limitation of food prevents the increase of scrub jays in the habitat.
Thus, the correct answer is option (a).