Process:  - A bird lays an egg - The egg hatches into a baby bird - Baby bird eats - Grows into an adult bird - The bird finds a mate - The pair build a nest - The birds lay eggs.  Perturbation hypothesis: suppose "You dont leave your nest more often" happens, how will it affect MORE birds.  Does the supposed perturbation have an effect (direct or indirect) on the process?
A:
yes