Venus Flytrap: Butterwort: North American Pitcher Plant: Asian Pitcher Plant: Sundew: All of these plants grow in nutrient-poor organic soils or substrates and ... But since most plants obtain the food directly as simple-molecules, they does not require a digestive system. ... Lets first see why animals need a digestive system. read more
plants do not have a digestive system why is it not necessary for them to have a digestive sysytem read more