What are the importance of leeches?

Can you use zovirax on spots? How do insect walk on water? Which answer best identifies stand alone software that does not require a user to assist in its propogation virus worm rootkit or backdoor? When do dragonflies mate? What type of consumer is a slug? How do crystal jellyfish reproduce? What is the role of the robin that eats the caterpillar? How much does a restaurant owner in a large restaurant that works seven hours make in a year? Can slugs that are cut in half grow themselves back? Do starfish taste things through their feet? What are les escargots in french? How do you kill a giant roach? How do moths survive in the winter? Will snails die if they have a hole in their shells? How does baby crickets die? Is a Asian ladybug dangerous? What is the symmerty of hydrozoa? What is the process in which a larva will change into an adult insect called? Do cockroaches is eating cardboard in my attic? Can I get Ebola through a mosquito bite?