How do earthworm help humus?

What is the shape of the abdomen? Do praying mantis use large eyes to hypnotize there prey? What does the lesser water boatman bug eat? A butterfly at eye level is 16 cm in front of an plane mirror You are behind the butterfly 52 cm from the mirror What is the distance between your eye and the image of the butterfly in the mirror? What are four organism found on the Galapagos islands? How do chiton reproduce? Why do monarch butterflies have hairs on their legs for tasting? Can you have Lyme Disease and then after having Lyme have other suffer symptoms do to Lyme? What associations go along with butterflies? How are insects a pest to the ecosystem? What was the very first plant on earth called? How fast does the supersonic fly? Why is your chrysalis moving a lot? What type of cells does the wolf spider have? Does isopropyl alcohol kill stomach bug? What do snails have but slugs don't have? What happens to babies if they get stung by a hornet? Do slug have jointed legs? Is a blue bottle an invertebrate? Do Ladybugs go through compete metamorphosis or incomplete metamorphosis or simple?