Identify what phase of the menstrual cycle is described by each of the statements below. 21.After ovulation occurs, the follicle develops into a hormone producing structure called the corpus luteum.


22. Fertilization is possible on this phase.


23. In this phase, the lining of the uterus starts to grow, or proliferate due to the hormone estrogen.


24. In this stage, the thick lining of the uterus will slough off and will be eliminated from the body.


25. In the process, another hormone causes the follicle to rupture and release an egg (also called as oocyte).

humans can cause extinction of a species through overharvesting, pollution, habitat destruction, introduction of invasive species (such as new predators and food competitors), overhunting, and other influences. explosive, unsustainable human population growth is an essential cause of the extinction crisis.

explanation:

i didn't have the answer choices , but i tried my best.

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )