Seng-bu̍t-ha̍k (Eng: biology ) sī tùi oa̍h-miā kap oa̍h-mi̍h ê kho-ha̍k gián-kiù. Chit lō ha̍k-būn káng-kiù oa̍h mi̍h kò͘-chō, ki-lêng, seng-tióng, khí-goân, chìn-hòa, pun-sòaⁿ téng-téng ê tê-bo̍k. Seng-bu̍t-ha̍k ē-té koh ū chhin-chhiūⁿ ûi-thoân-ha̍k, sin-thé-lí, seng-thài téng-téng ê hun-iá.