Can you tell if a plant is C3 or C4 just by looking at it? No! Externally, they look the same. The difference lies inside: C3 plants: No Kranz anatomy, Two Years After Completion, Plant Vogtle Still Looms Over the Nuclear Debate The Current Smooth Blue Aster A Complete Guide (Symphyotrichum laeve) GrowIt BuildIT Check this out! Ms. Foutz's 4th grade students worked on a fun pollination simulation during science! They used Cheetos and bees to model how pollinators transfer pollen from plant to plant.