Evidence of evolution lab

There are six elements that make up most of the human body. which of the following is not one of these six elements?

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.

Does any one know what blood tastes like