11. Which of the following was NOT part of Darwin's theory of natural selection?
A. Overtime the population of a species will change physically
B. Populations produce more offspring than the environment can support.
C. Organisms compete for limited resources
D. An organism can cause themselves, or can choose to alter the genes to help them
survive

"menstrual cycle is a complex cycle that consists of several processes. order of occurrence of steps in menstrual cycle are as follows:

1. high progesterone levels maintain the endometrium lining of the uterus.

2. endometrium lining breaks down and low levels of estrogen stimulate the pituitary to release fsh and lh.

3. fsh and lh stimulates the follicles to develop and the oocyte to produce estrogen.

4. rising estrogen levels suppress fsh production and development of other follicles.

5. a spike in lh causes follicle to rupture.

6. a breakdown of corpus luteum causes progesterone level to drop."

b.