The importance of the menstrual cycle is to expel an unfertilized egg.
The menstrual cycle is termed as a natural change that occurs in the reproductive system of a female. To be specific in ovaries and uterus which makes pregnancy possible. This cycle is important for the production of oocytes of prepare uterus to hold a pregnancy, and it is being governed by hormonal changes. The menstrual cycle consists of three phases which are the follicular phase, ovulation, and luteal phase.
I believe you're talking about a population.
Answer:
Chronic Condiitons or Cronic diseases
Answer:
A.
Explanation:
Dark coloured moths will be better camouflaged and so better protected from predators. More of them will survive and reproduce, increasing the frequency of dark coloured genes.
Light coloured gene will provide less camouflage, those moths will be caught by predators more often and live to reproduce less. So the light coloured gene will decrease.
