Assertion: turtle's plastron | /r/HasProperty | flat
Facets:
Source sentences:
text: While the female's plastron is flat, it is concave in males so the male may fit over the back end of the female's carapace during mating.
text: ’s plastron (the flat part of the shell that covers the turtle’s undersides) is pale yellowish-white.
text: The plastron of the male is moderately concave to facilitate breeding, while the plastron of the female is flat.
text: Female’s plastron is flat, while males it is concave so the male can fit over the back-end of the female’s carapace during mating ritual.
text: The plastron of females and juveniles is flat while in males it gains concavity with age.