Embryology

What is the hard protective covering of an egg called?

• yoke

• germ spot

• shell

• air cell

What are the twisted cords that keep the yolk from moving?

• Shell

• Shell Membrane

• Chalazae

• Egg Tooth

What is the sharp end of the beak used by the chick to break the shell when it is ready to hatch?

• Germ Spot

• Egg Tooth

• Albumen

• Air Cell

What is the white spot on the yolk where the chick develops?

• Germ Spot

• Chalazae

• Shell Membrane

• Air Cell

What are the two thin layers inside the shell that prevent moisture loss?

• Yolk

• Egg

• Shell Membrane

• Egg Tooth

What is the pocket of air at the large end of the egg that the chick breaks into to breathe when it is ready to hatch?

• Shell Membrane

• Air Cell

• Egg Tooth

• Shell

What is an Embryo?

• The baby chick's mother

• The baby chick after it has hatched

• The name given to the animal before birth in its early stages

• The baby chick's father

What is a fetus?

• The term used to describe the stage at which the embryo has all of its body parts which usually occurs about 1 week before the egg hatches

• The term used to describe the stage at which the embryo has not yet developed any of its body parts

• The chick once it has hatched

• An egg that does not have an embryo in it

Select the FOUR factors for a successful hatch

• Humidity or moisture, which is provided by the heat and water, places in the bottom of the incubator

• Ventilation or airflow provided by the holes in the top of the incubator

• Turn three times a day

• Temperature- Eggs should be kept in a very cold environment

• Temperature- Eggs should be kept at around 100 degrees Fahrenheit

How many days does it take for the chicks to hatch?

• 12 days

• 9 months

• 21 days

• 2 months