What is a host of a flatworm?

What is an advantage of using systemic insecticide over common insecticide that is sprayed on plants? Who is biryuk from the story of the centipede by rony v diaz? Do locust trees cause allergic reactions? Is rolly polly a termite? What is the difference between caterpillar and cockroach nymph? Do millipedes eat earthworms? Why does an earthworm need circulatory system as well as the flat and rounded worms? How do you know if you got bitten at home or in doctor's office by bed bugs? How big is a Christmas fern? What is the antonym of caterpillar? What is the twirling stick called? How can you help save the worms? Are crickets producers consumers or scavengers? How tick of skin a comodo have? Is the lightning whelk a rare shell? What does a tarantula do when it sees people? How do you get rid of the hundreds of flies in your house? What is the emperor scorpions locomotion? What is an aedeagus? Do web worms sting?