Exam 31: Reproduction and Development

Skeleton,muscles,blood vessels and the heart develop from which germ layer?

In humans,where does fertilization occur?

Why are shelled eggs evolutionarily advantageous?

The portion of the Y chromosome that determines male gender is known as _____________.

What are the advantages of internal fertilization?

Fertilization in sharks takes place internally,unlike in most fishes.

During the follicular phase of the female menstrual cycle,estrogen is produced by the:

In ovoviviparity,the eggs,after being fertilized internally,are deposited outside the mother's body to complete their development.

Which sexually transmitted disease if not treated can lead to blindness,heart disease and mental deficiency?

Prior to ejaculation,mature sperm are stored where?

Which part of the sperm cell contains enzymes to help the sperm digest a pathway into the egg?

Human sperm production takes place within the:

Sexual reproduction first evolved among the: