Bacteria can illustrate evolution occurring at a rapid rate. this is done by

a. growing bacteria in a petri dish and making observations under a microscope
b. comparing bacterial growth when interacting with antibiotics
c. repeatedly exposing bacterial sample to the same antibiotics to see if the resistance changes.
d. bacteria are single-celled organisms and do not evolve over time.

i think its b but im pretty sure im not right. ?

"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."