Do sponges internal or external fertilization?

What problem do ship worms cause? Who defeated the hydra? How do slaters eat? How do sea sponges produce? Do Penguins have fleas? Why have bees taken over your bird bath? What are facts about lilypads? Can you die from a wasp? Does the lady bug lays its eggs on its own? What makes a glow worm glow? When was Essen Mosquitoes created? Why do wasps live in hives? How fast does a cockroach run? Do snail like to eat chili? How many Volkswagen beetles were made? What do grasshopers eat? How long has a pillbug existed? What is the most important insect on earth? Is a bull a consumer producer or decomposer? Is squid high in purine?