Microevolution refers to changes that occur within a single species or group or organisms. Microevolution, as opposed to macroevolution, occurs in a short period of time. In microevolution, the ancestor and the descendant obviously belong to the same type. For example, certain pests have evolved in such a way that they become immune to pesticides; the same thing has happened to certain weeds and herbicides. Hope this helps.
Answer:
The option 'All cells contain a nucleus' is not a part of the cell theory.
Explanation:
The cell theory proposed by scientists illustrates that every organism whether prokaryotic or eukaryotic is made up of a cell or different kinds of cells. It also that explains that cells are made from living things. According to the cell theory, cells are termed as the basic unit of life, without which life is not possible.
The cell theory does not claim that every cell must have a nucleus because many cells like cells of prokaryotes lack nucleus. Their genetic material is dispersed in the cytoplasm.
The nurse have noted that the patient might have anorexia nervosa due
to low body mass index, due to malnutrition a delayed onset of menstruation may
result. Anorexia is an eating disorder characterized by low weight and a strong
desire to be thin. Another assessment finding is that the patient might have
type 1 diabetes mellitus where there is a risk of developing amenorrhea caused by interruption in the
hypothalamic-pituitary-ovarian-uterine axis.
Answer:
Contact the Centers for Disease Control and Prevention (CDC).
Explanation:
