1 pts Question 2
Which of the following would indicate the greatest problem with the health of an
ecosystem?
The ecosystem includes only a few kinds of plants and animals
The average temperature in the ecosystem has increased slightly over many years.
There has recently been a change in the ecosystem's weather.
The population of top predators increases and decreases in a regular pattern

"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."

i think the answer would be d