by shielding them from predators by increasing their food supplies by eliminating diseases by reducing the herd population
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: How do harsh winters benefit some species, such as deer?
Possibilities:
- by shielding them from predators
- by increasing their food supplies
- by eliminating diseases
- by reducing the herd population

by reducing the herd population