“…In learning about digestion and nutrient uptake, a common challenge is to make connections between processes taking place at different levels of organization (e.g. Snapir et al, 2017;Jahic Pettersson, Tibell & Löfgren, 2021;Knippels, 2002;van Mil, Postma, Boerwinkel, Klaassen & Waarlo, 2016;Meijer, 2011). Nutrient uptake is a process that spans at several different organizational levels (macro-, micro-, mesoand submicro level).…”