Which causes a drop in female hormone levels?

the onset of the menstrual flow

if an egg is released from the ovary

if the uterine wall thickens

if the egg is not fertilized

I will give brainliest!

You arrive at the scene of a call to find an elderly man complaining of chest pain. you introduce yourself and ask permission to examine him. he nods and extends his arm. which type of consent is this?

What is the mechanism of evolution proposed by Darwin? natural selection gene flow genetic drift gene pool

Why do are neurons and blood cells structure and shaped so differently from each other?

What is a similarity between biosphere and ecosystem?

Which of these is an example of land degradation? A. Containers designed to store pollutants leak. B. Fertilizers provide too many nutrients to crops. C. Garbage is buried so the land can be reclaimed later. D.

How do materials enter and leave the cell

What is the relatioship between I tissues and organs?

Which of the following pairs is mismatched? a. green algae - prokaryotic b. red algae - agar c. dinoflagellates - paralytic shellfish poisoning d. brown algae - algin e. diatoms - petroleum

Lynx feed on rabbits, and the growth curves for these two species fluctuate together. This relationship is an example of a (n) Select one: a. S-shaped growth curve. b. J-shaped growth curve. c. irregular fluctuations. tightly linked cycle.

All cells in the human body are identical true or false