IPA: /ˌɔːrˈɡænɪzməl/
KK: /ɔrˈɡænɪzməl/
Relating to living things or organisms.
The scientist studied organismal biology to understand how different species interact with their environment.
Organismal → It is formed from "organism" (from Greek "organismos", meaning an organized body or living being) and the suffix "-al" (meaning pertaining to). The word "organismal" refers to something that pertains to or is characteristic of an organism.
Think of the word 'organism' which refers to a living being, and remember that 'organismal' means related to that living being.