what have special excretory structures sometimes?
h2o fur seals excretion fungi bees insects barnacles clouds
A B C D E F G H
Insects are the largest group of arthropods.
some insects have special excretory structures
what have special excretory structures sometimes? (A) h2o (B) fur seals (C) excretion (D) fungi (E) bees (F) insects (G) barnacles (H) clouds