The Oort Cloud Is Believed to Have Been Formed By

question 70

Multiple Choice

The Oort Cloud is believed to have been formed by:

• A)planetesimals that were flung far from the Sun in gravitational encounters with the jovianplanets.
• B)icy bodies formed between stars that have been captured by our solar system's gravity.
• C)moons that escaped from the jovian planets.
• D)debris from an icy planet that broke apart early in the solar system's history.
• E)debris from impacts of planetesimals, asteroids and comets with the jovian planets.

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Definitions:

Inhibin

Inhibin is a hormone that negatively regulates the production of follicle-stimulating hormone (FSH) and is essential in the control of reproductive function.

Spermatogenesis

The process of sperm cell development, occurring in the testes, where spermatogonial stem cells differentiate into mature spermatozoa.

FSH Secretion

The release of Follicle-Stimulating Hormone by the pituitary gland, which plays a crucial role in reproductive processes.

Menstrual Cycle

The monthly cycle of changes in the female reproductive system that includes the preparation of the uterus for pregnancy and the shedding of the uterine lining if pregnancy does not occur.