What is the term for different jobs that different cells perform in a multicellular organis

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.

Tides that occur during the new and full moons

The nurse is liaising with the physical therapist and occupational therapist to create an activity management plan for a patient who has multiple sclerosis. what principle should be integrated into guidelines for exercise and activity that the team will provide to this patient in anticipation of discharge