Egg Production

Question 1

Egg structures

Answer 1

Chalaza- holds yolk in place
Inner/outer membrane- made of protein defends from bacteria
Yolk- provide food
Air cell- gap between membranes
She’ll- protect chick
Albumen- contains protein

Question 2

Extra embryonic membranes

Answer 2

Amnion- form sac that protect embryo
Chorion- allows gaseous exchange

Question 3

Adv and dis of birds and mammals

Answer 3

Mammals
Good- protected more
Bad- slow production (9 months)

Birds
Good- lay lots of egg
Bad- less protected