Drag the characteristics that can be ascribed to the invertebrate osmoregulatory organs: the protonephricia (e.g., flatworm), nephridia (e.g., annelid), or Malpighian tubules (e.g., insects), or all three (protonephridia, nephridia, and Malpighian tubules). Urine forms by Urine is excreted ted by Cilia are used to Are sumounded by pressure filtration, capillaries, similar to into the asmaregulatory which draws from through pores that draw in fluid from open to the which d the body into the the body vertebrate nephrons environment by osmoregulatory organ The simplest Fluid and osmoregulatory osmoregulatory Empty into the metabolites/ions are organ opens only to structure midgut of the animal reabsorbed by the the outside and not animals body the inside of body Protonephridia, nephridia Protonephridia and Malpighian tubules Nephridia Malpighian tubules