The presence of altruistic behavior is most likely due to kin selection, a theory maintaining that
A) aggression between sexes promotes the survival of the fittest individuals.
B) genes enhance survival of copies of themselves by directing organisms to assist others who share those genes.
C) companionship is advantageous to animals because in the future they can help each other.
D) critical thinking abilities are normal traits for animals and they have arisen, like other traits, through natural selection.
E) natural selection has generally favored the evolution of exaggerated aggressive and submissive behaviors to resolve conflict without grave harm to participants.
Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr
Anatomically modern humans left archaeological clues, including evidence of burials, which indicate
Sociologists study the social factors that underlie human behavior, the experiences that mold us, ...
The clonal selection theory of the adaptive immune response
A mammalian cell demonstrating the presence of mtDNA
The effect of selection on allele frequency