Assertion: sea slug's penis | /r/AtLocation | backward-pointed spines
Facets:
value: from their partners
type: OTHER
Source sentences:
text: Having a disposable penis may also enable nudibranches to scrape out rivals' sperm while sidestepping the difficult removal of a penis covered in backward-pointed spines from their partners.
text: Having a disposable penis may also enable nudibranches to scrape out rivals' sperm while sidestepping the difficult removal of a penis covered in backward-pointed spines from their partners.