Which is a bioindicator?
A. current
B. water
C. rock
D. insect

D

Explanation:

“A bioindicator is a living organism that gives us an idea of the health of an ecosystem.”

An insect would be correct since the other options are non-living organisms.

D.) Insect

Explanation:

A bioindicator is a living organism that gives us an idea of the health of an ecosystem.

creative diagnostics provides a protocol for total protein extraction based on ripa which is widely used.

"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."