What level of organization describes a flock of Canada Geese in a field?

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.

What are levels of ecology and how can we remember them

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do