Simplify the following text for a Grade 9 native English-speaking person.
Original: Examinations of the Taung Child fossil compared to that of an equivalent 9-year-old child suggest that A. africanus had a growth rate to adolescence more similar to that of modern apes like chimpanzees ( genus Pan ) than to that of modern Homo sapiens .
Simplified: Examinations of Taung Child compared to that of an equivalent 9-year-old child suggest that A. africanus had a growth rate to adolescence which is about the same as that found in modern apes like chimpanzees rather than that of modern Homo sapiens .