A vampire bat can survive only a few days without a blood meal. They help each other by sharing blood, which appears to be an example of what type of behaviour?

Question

Quizplus · Accepted Answer

Vampire bats exhibit altruism when they share blood meals with other bats who have not fed. This behavior benefits the recipient without immediate direct benefit to the donor, fitting the definition of altruism in animal behavior.

A Vampire Bat Can Survive Only a Few Days Without