Hatching stimulates orb (protect) but references embryo.
Growth stimulates vision but references vision.

Laying will need orb (protect) and embryo to help egg_birth become hatching.
Decline will need vision and vision to help light become growth.

q1e stimulates q1o but references q1s.
q1e stimulates q1o but references q1s.

q1r will need q1o and q1s to help q1n become q1e.
q1r will need q1o and q1s to help q1n become q1e.