In Addition to Designation of Horizons, Soil Scientists Also Designate

question 66

True/False

In addition to designation of horizons, soil scientists also designate subhorizons, for instance, indicating human activity or presence of organic matter.

---

Definitions:

Progesterone

A steroid hormone released by the corpus luteum that regulates the condition of the endometrium (lining of the uterus), making it suitable for pregnancy.

Oviducts

Tubes through which eggs travel from the ovaries to the uterus in female mammals; also known as fallopian tubes.

Fertilization

The union of a male gamete (sperm) and a female gamete (egg) to form a zygote, initiating the development of a new individual.

Ovarian Follicle

A fluid-filled sac within the ovary that contains a developing egg (oocyte) during a female's reproductive cycle.