Final answer:
Parental care helps the survival of the blue whale species by providing protection, food, and teaching important skills.
Step-by-step explanation:
Parental care helps the survival of the blue whale species in several ways. First, it provides protection to the offspring, keeping them safe from predators. Second, parental care includes feeding the young, ensuring they receive the necessary nutrients for growth and development. Finally, parents may also teach their young important skills they will need to survive on their own, such as hunting techniques or migration routes.