If some living things do not reproduce this could be considered a defect or a genetic mutation in those people. If we take humans for example, if most humans reproduce and some don't because they cannot (if a guy cannot produce sperm) this doesn't mean that he isn't alive, it just means he was born with a genetic mutation which doesn't allow him to produce sperm needed for reproducing.
Response plan, evacuation plan, and containment plan.
50 pupils total. 1/10 speak French only. 1/10 of 50 = 5 pupils
4/5 of the rest (the rest = 50-5=45)speak both . 4/5 of 45 = 36 pupils
50 -5 - 36 = 9 remaining pupils
Fr only = 5
Eng and Fr = 36
Eng only =9
