Working for the federal government: Part 1. The U.S. government needs a lot of workers to provide its many services. Federal workers carry out key government functions. For example, federal workers ensure food safety, investigate criminal activity, provide emergency care, and develop science and technology. Their work affects millions of people.
Earthworm enemies include ants, springtails, centipedes, slugs, mites, certain beetle larvae, birds, rats, snakes, moles, mice, gophers, toads, and other insects or animals which feed on worms or molest them.arthworm enemies include ants, springtails, centipedes, slugs, mites, certain beetle larvae, birds, rats, snakes, moles, mice, gophers, toads, and other insects or animals which feed on worms or molest them.
List of Types of Segmented Worms. Environmentally beneficial, earthworms help fertilize and aerate soil. Ryan McVay/Photodisc/Getty Images. Worms are invertebrates with long, soft bodies and no hard skeleton. Their shapes are varied, and they range in size from microscopic to 75 feet in length. Scientists have classified worms into more than 15 phyla. The phylum Annelida contains the segmented worms. Annelida is further divided into three subclasses: Oligochaeta, Hirudinea and Polychaeta. Thousands of species of segmented worms comprise these three subclasses.