What is the observed effect of altruistic tendencies among female vampire bats? a. vampire bats who share food tend to live longer than other bats. b. vampire bats who share food tend to have fewer offspring than other bats. c. vampire bats who share food tend to die younger than other bats. d. vampire bats who share food tend to have more luck hunting fresh food. (answer is a)

Option A.

Explanation:

Altruism may be defined as the behavior of an  individual benefits the other individuals in a population at the cost of an actor. Auguste Comte coined the term altruism.

Vampire bats shows the altruism behavior. The vampire bats that share food with the other individual gets benefit and live longer than other bats.

Thus, the correct answer is option (A).

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