Sperm smear (any one animal), types of eggs (insect, amphioxus, frog and hen) D|Insect Egg

Sperm smear (any one animal), types of eggs (insect, amphioxus, frog and hen) Insect Egg:

1)In insects centrolecithal type of egg is present. 
2)Large amount of yolk is concentrated in the central region of the egg. 
3)The egg has a covering of the vitelline membrane.
4)Vitelline membrane on its outer side is covered by the chorion or the shell. 
5)It has a small opening called as micropyle through which the sperm is going to enter inside the egg.