The enhanced reproduction, through apparently altruistic behavior, of related individuals with common alleles is referred to as __________.

Honeybees have a remarkable way of transferring information about the location of a food source to other members of the hive. The worker bees conveying this information use __________ communication to relay this information.

Graylag geese learn to follow their mothers. This is an example of __________.

How would you expect the behavior of a male fruit fly lacking the fru gene to differ from that of a normal male?

An aquaculture facility hatched salmon eggs and released young fish into a river leading to the ocean. The fish fed and grew in the ocean, and in a few years they returned to the facility. Because the number of returning fish was low, a scientist suggested adding a chemical to the river that would __________.

Altruistic behaviors can be understood, in part, by considering the coefficient of relatedness (r) between the individuals involved. Assume that an individual mammal has the option to raise its own offspring, other genetic relatives, or a combination of offspring and other genetic relatives. From a genetic point of view, which of the following represents the least successful option?

The coefficient of relatedness between two brothers is __________.

Which of the following statements best defines an altruistic act?

Altruistic behavior __________.