#獲得、吸收、或過濾化學物質
#不同物種之間合作/競爭
#Capture, absorb, or filter chemical entities
#Cooperate/compete between different species
豬籠草及樹鼩以交換養分維持互利共生關係 (Nepenthes pitcher plants and treeshrews maintain a mutually beneficial relationship by exchanging nutrients.)