What kingdom does the walking stick belong to?

What has a soft body that is protected by two bluish-black hard shell and it eats plankton? How far from the baulk cushion is the baulk line? What are inverterbrates? How long have lightning bugs been in existence? Why do the upper leaves of a Duranta erecta plant become blackish? Does the blue sea exist? What is Plant disease? What are some uses for suction cups? Why is Pacific Tree Octupus a hoax? How old can a spider live to be? Why do squids need tentacles? What is the habitat for wasps? Do velvet ants live in Indiana? How did Hercules kill the Lernaean Hydra? What kind of leaves do catterpillars eat? Were is a dragon fly found? Do stick bugs drink water? What brand and style of aerator should I purchase for a centipede grass lawn? What are tree roaches? Do aquatic plants and animals breathe in Oxygen or Carbon Dioxide?