sexual biology of hominoidea Flashcards
gibbons body size dimorphism?
1:1 (F to M)
orangutan body size dimorphism?
y1:2 (F to M): 49% to 100%
gorilla body size dimorphism?
1:2 (F to M): 48% to 100%
Chimp and bonobo body size dimorphism?
1: 1.73 (F to M): 73% to 100%
Human dimorphism body size?
1: 1.83 (82% ff to 100% mm)
ano-genital swellings in WHICH hominoidea?
chimps
bonobos
sometimes in gibbons
which hominoides dont have sexual swellings
orangutans
gorilla
human
testes size of a gorilla?
smallest (0.2)
testes size of a gibbon?
medium
testes size of an orangutatn
small
testes size of a chimp
largest
testes size of a human
medium
coitus duration gorillas
1.5 min (long)
coitus duration gibbons
long (1 min)
coitus duration orangutatn
1.5 min (long)