Fig. 1From: Caenorhabditis elegans as a powerful tool in natural product bioactivity researchLife cycle of C. elegans. C. elegans has a short life cycle in which it starts as an egg, goes through 4 larval stages (L1–L4), and then becomes an adult worm. Most of the natural product (NP) bioactivity research was performed in the L4 and adult stages of C. elegansBack to article page