No, the cells for each are different and have different purpose.
no
no you cannot turn into goofy.
Magic.
The correct term depends on the context. "Pupils" refers to multiple students or learners, while "pupils'" is the possessive form, indicating something that belongs to the pupils (e.g., "the pupils' books"). Use "pupils" when referring to the students themselves and "pupils'" when indicating possession.
The opposite of dilated pupils is constricted pupils.
Pupils'. When you have a plural possessive, then the apostrophe goes after the s. If a pupil owns something, that is the pupil's stuff. If pupils collectively own something, that is the pupils' stuff.
"He will turn the hearts of the parents to their children, and the hearts of the children to their parents; or else I will come and strike the land with total destruction."NIV (Malachi 4:6)
The possessive form is the pupils' assignment.
Owl's pupils get bigger because there pupils react to movement and light causing them to enlarge there pupils.
pupil slipups, pupils slipup, pupils pupils, slipup pupils
Dilated pupils are bigger, and constrictred pupils are smaller.
It is not particularly important, though it is a skill, in manipulating numbers, which school pupils are expected to master.