What is a difference between how ants and elephants primarily use grouping for survival?

Question

Options:
Elephants use grouping for cooperation, and ants use grouping for protection of the young
Ants use grouping for better change of mating, and elephants us shrouding for better succes to food
Ants use grouping for cooperation, and elephants use grouping for protection of the young
Elephants use grouping for better change of mating, and ants use grouping for better access to food

Answer 1

The correct option is:

Elephants use grouping for cooperation, and ants use grouping for protection of the young