What moves the chromatids during mitosis?

If you are in a chronic state of anxiety but also suffer from moment of sudden, intense fear you are problably suffering. from

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.

Describe the two types of vascular tissue