Exam 7: The Reproductive Process

Follicle-stimulating hormone is produced in the

The outermost layer of differentiating sex cells in the testes,called ________,divide by ordinary mitosis.

A strange system of reproduction,where there are no permanent reproductive organs and gametes arise from the lining of the body cavity and spill through ruptures of the body wall is found in some

Parthenogenesis is

Why is the haplo-diploid system of bees,wasps,and ants considered to involve parthenogenesis?

In the male reproductive system,the Sertoli (sustentacular)cells

In larger terrestrial animals,the testes are in the scrotum rather than in the abdomen because

Development of an embryo from an egg without the participation of a spermatozoa is called _________.

In reptiles and birds the reproductive and excretory ducts empty into the ________.

In whiptail lizards,only females exist.Two females court and one assumes the posture of the missing male lizard to stimulate the other female to ovulate.No fertilization can occur,so this is a case of

A rattlesnake holds its eggs internally and the young hatch and crawl out,appearing to be born live;the rattlesnake is

Male sexual behavior is promoted by

In Latin,the root word(s)for "yellow body" is/are

What would be associated with animals that produce litters?

In mammals,the type of breeding cycle in which the female is receptive to the male only at restricted times of the year is the ________ cycle.

By possessing both male and female organs,hermaphrodites

A metabolite of testosterone that has important hormone effects is

The luteal phase of the uterine cycle is associated with

A cross-section through the testes would show

The ______ of the sperm is lined with mitochondria and expends the energy to propel the sperm.