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Earthworms are classified into three main ecophysiological categories: (1) leaf litter- or compost-dwelling worms that are nonburrowing, live at the soil-litter interface and eat decomposing organic matter e.g. Eisenia fetida; (2) topsoil- or subsoil-dwelling worms that feed (on soil), burrow and cast within the soil, creating horizontal ...
Fertilization takes place in the cocoon and the cocoon is deposited in a small chamber in the soil adjacent to the parental burrow. After a few weeks, young worms emerge and begin to feed in the soil. In the early juvenile phase, the worms do not develop the vertical burrows typical of adults.
Syllidae, commonly known as the necklace worms, [2] is a family of small to medium-sized polychaete worms. Syllids are distinguished from other polychaetes by the presence of a muscular region of the anterior digestive tract known as the proventricle. [3] [4] Syllid worms range in size from 2–3 mm (0.08–0.12 in) to 14 centimetres (5.5 in).
Parasitic worms live in and feed in living hosts. They receive nourishment and protection while disrupting their hosts' ability to absorb nutrients . This can cause weakness and disease in the host, and poses a global health and economic problem. [ 2 ]
Clam worms are an important food source for bottom-feeding fish and crustaceans, though they also feed on different species of aquatic plants such as algae and diatoms. [6] By feeding on organic matter and types of waste and debris that is in the surrounding water the worm is commonly classified as a deposit feeder, more specifically omnivorous ...
Bloodworms are carnivorous. They feed by extending a large proboscis that bears four hollow jaws. The jaws are connected to glands that supply venom which they use to kill their prey, and their bite is painful even to a human [5]. They are preyed on by other worms, bottom-feeding fish, crustacea, and gulls.
Juvenile and other worms of small size have small crowns and radioles, so prefer to capture and eat very small particles, such as bacterioplankton and single-celled phytoplankton and zooplankton. As a worm matures and grows in size, so does its crown. The larger crown allows the animal to feed on larger multicellular plankton.
Zophobas atratus is a species of darkling beetle, whose larvae are known by the common name superworm, kingworm, barley worm, morio worm or simply Zophobas. Superworms are common in the reptile pet industry as food, along with giant mealworms ( Tenebrio molitor larvae treated with juvenile hormone [ citation needed ] ).