Simplify the following text for a Grade 14 native English-speaking person.
Original: Modern hominids do not show sexual dimorphism to the same degree â '' particularly , modern humans display a low degree of sexual dimorphism , with males being only 15 % larger ( taller , heavier ) than females , on average .
Simplified: Modern hominids do not appear to display sexual dimorphism to the same degree â '' particularly , modern humans display a low degree of sexual dimorphism , with males being only 15 % larger than females , on average .