What bases make up the DNA chain

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.

Eutrophication caused by human nutrient pollution.