Biologic evolution

The experiment result of the leaf of the mandarin orange the day
before
It seems to eat the leaf of the mandarin orange where the egg is laid.

One time of the experiment, because it is not certain
The leaf of the mandarin orange was newly put today.



C is a leaf of the mandarin orange where the egg is laid.
B is a leaf of the mandarin orange in a place away from C.
A is a leaf of the mandarin orange in a place near C.