According to the passage, animal migration is primarily driven by:

Migration, the seasonal movement of animals from one region to another, is a remarkable evolutionary adaptation. Driven by factors such as food availability, breeding opportunities, and climate changes, species undertake arduous journeys, often covering thousands of miles. These migrations are critical for species survival, resource distribution, and maintaining ecological balance.

According to the passage, animal migration is primarily driven by:

1. A.Random changes in habitat.
2. B.The desire to explore new territories.
3. C.Environmental and biological necessities.
4. D.Overpopulation in their original habitats.