input question: Fix spacing: firstnamelastnameoccupationsource

output answer: firstname lastname occupation source

input question: Fix spacing: Uncommontenacity:Tenacitymeansthedoggednessandpersistenceyouneedtostaydriveninthefaceofallodds.

output answer: Uncommon tenacity: Tenacity means the doggedness and persistence you need to stay driven in the face of all odds.

input question: Fix spacing: Achangeofenvironmentmayfavornewgenes,andthiswillthenbedisseminated.

output answer: A change of environment may favor new genes, and this will then be disseminated.

input question: Fix spacing: Bearingsdevelopedforaspecificapplication

output answer:
Bearings developed for a specific application