Ribbon-like acoelomates with bilateral symmetry are examples of ? a. cnidarians: jellyfish b. platyhelminthes: flat worms c. nemotoda: round worms d. mollusca: mollusks e. annelida: segmented worms

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.