Hamilton's Rule explains... how altruists will sacrifice themselves with no clear benefit to themselves, for the good of the group. how kin selection favors traits where an animal helps close relatives, even if costly to that animal. the way social groups of animals will include both relatives and non-relatives, working together. how sexual selection favors traits that otherwise would seem to be a liability to that organism. Question 4 (1 point) Which of the following might be the result of a common garden experiment? finding that two different plant species are genetically distinct from each other concluding that both biotic and abiotic factors shape the phenotype of a plant finding that differences in a widely dispersed species of animal are due to both genes and environment observing that plants of a single species show a lot of variation across their range.