Simplify the following text for a Grade 9 native English-speaking person.
Original: In 2009 , the publication of a cladistic analysis and a study of comparative body measurements provided further support for the hypothesis that H. floresiensis and Homo sapiens are separate species .
Simplified: In 2009 , the publication of a cladistic analysis and a study comparing body sizes gave further support for the theory that H. floresiensis and Homo sapiens are separate species .