Embryology

How many days does it take for a chicken embryo to hatch?

• 15 days
• 29 days
• 21 days
• 60 days

The hard protective covering of the egg; made of calcium carbonate and has 6,000 - 8,000 pores.

• Yolk
• Air cell
• Shell
• Albumen

The hard shell is connected to this thin layer

• Yolk
• Albumen
• Outer Shell Membrane
• Inner Shell Membrane

Thin layer around the watery part of the egg; protects the embryo from getting sick.

• Yolk
• Outer Shell Membrane
• Inner Shell Membrane
• Albumen

Increases in size with age; this is also where the embryo takes its first breath and becomes a chick; This forms between the two shell membranes. 

• Albumen
• Yolk
• Air Cell
• Shell

Also called the "white" of the egg; main source of protein and water for the embryo.

• Yolk
• Albumen
• Shell
• Outer Shell Membrane

Tightly wrapped membranes; keeps the yolk centered in the egg. 

• Shell
• Chalazae
• Albumen
• Yolk

Main food source for the growing embryo; contains fat, vitamins, and minerals. 

• Yolk
• Albumen
• Shell
• Outer Shell Membrane

White spot on the surface of every yolk; this spot contains only the female cells (Non-Fertile).

• Albumen
• Blastodisc
• Blastoderm
• Air Cell

The temperature of the incubator should be keep between _______ - _______ degrees F.

• 200-250 degrees
• 99.5- 101 degrees
• 35-45 degrees
• 75-95 degrees