What besides arthropods undergo metamorphosis?

Why is a cactus covered with spines? Do all vertebrates eat the same kinds of food? What is the name of the fastest flying insect in the world? What is a aprilfly? Because mgm retained the rights to the name hal roach your gang shorts were renamed when they were shown on tv in the 1950s to what? Do schistosoma haematobium need a secondry host other than man? What kind of caterpillar is fuzzy yellow with black dots? Do insects drink blood? Does a wasp have a tongue? What happens at the end of human centipede the full sequence? How do you get rid of butt bugs? What is probiscus? Both rabbits and grasshoppers are members of this kingdom? What does seeing spider mean? And in its lifetime how much honey does it produce? What are tiny red bugs that somewhat resemble lice found near a dog? Is the damage from black widow spider bite permanent? Are ladybirds poisonious? What comes out of a locust shell? Why do silk worm have a spike on their bottom?