In the autumn, many birds will collect seeds and then hide them in various caches throughout their habitat. The birds will guard their caches from other birds, and move the caches if they start to dry out. These caches provide a food source for the birds during the water. What is an
ablotic factor that contributed to the evolution of this set of behaviors?
OA cold winter climate
OB competition with other birds for space
OC being preyed upon by larger birds
OD. limited food availability