A worm is an elongated, legless invertebrate with a cylindrical body that is typically found in the soil or aquatic environments. Worms come in various species, such as earthworms and roundworms, and play vital roles in ecosystems through their burrowing activities, decomposition of organic matter, and contribution to nutrient cycling. They are integral to maintaining soil fertility and are often considered beneficial organisms in gardening and agriculture.

What is a "worm"?

worm

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A lugworm is a marine annelid worm belonging to the family Arenicolidae. It has an elongated, cylindrical body and segmented appearance. Lugworms are commonly found in sandy coastal areas, where they burrow into the substrate. They play a crucial role in enhancing sediment turnover and nutrient cycling. Their burrows also provide a habitat for various organisms. Lugworms are known for their ability to survive in oxygen-poor environments and are often used as bait in recreational fishing.

What is a "lugworm"?

lugworm

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An earthworm is a terrestrial annelid worm belonging to the family Lumbricidae. It has a long, cylindrical body divided into segments. Earthworms are essential for soil health and fertility as they tunnel through the soil, improving its structure and nutrient content. They feed on organic matter, breaking it down and facilitating decomposition. Earthworms also play a vital role in soil aeration and water infiltration, benefiting plant growth. Due to their ecological significance, earthworms are considered valuable indicators of soil health and are widely studied by scientists and ecologists.

What is an "earthworm"?

earthworm

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A centipede is a predatory arthropod characterized by its long, segmented body and numerous pairs of legs. It belongs to the class Chilopoda and is known for its fast movements and ability to capture and subdue its prey. Centipedes are commonly found in various habitats worldwide, ranging from forests to deserts. They play a crucial role in controlling populations of other invertebrates, as they feed on insects, spiders, and other small arthropods. Although their appearance may be intimidating, most centipedes are harmless to humans, with only a few species possessing venomous capabilities. Despite their small size, centipedes exhibit impressive hunting and defensive behaviors, making them fascinating creatures in the realm of invertebrate life.

What is a "centipede"?

centipede

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A flatworm is a simple invertebrate belonging to the phylum Platyhelminthes. It is characterized by its flat, elongated body shape and lacks a specialized respiratory or circulatory system. Flatworms can be found in both freshwater and marine environments, as well as in moist terrestrial habitats. They display remarkable regenerative abilities, with some species capable of regrowing entire organisms from fragments. Flatworms exhibit a range of feeding strategies, including predation, scavenging, and parasitism. While some flatworms are free-living and play important roles in aquatic ecosystems, others can be parasitic and cause diseases in humans and animals. Despite their simplicity, flatworms display a remarkable diversity in form and behavior, making them an intriguing group of organisms to study.

What is a "flatworm"?

flatworm

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A millipede is a type of arthropod belonging to the class Diplopoda. It is characterized by its long, cylindrical body, which is divided into numerous segments, each bearing two pairs of legs. Millipedes are primarily terrestrial creatures, often found in damp environments such as forests and gardens. They play a vital role in ecosystems as decomposers, feeding on decaying organic matter. Despite their name, millipedes do not actually have a thousand legs; the number of legs can vary depending on the species, but it typically ranges from a few hundred to several hundred pairs. Some millipedes possess defensive mechanisms, such as the ability to secrete toxic or irritating substances when threatened. While they may appear intimidating due to their appearance, millipedes are generally harmless to humans and are fascinating creatures to observe in their natural habitats.

What is a "millipede"?

millipede

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A tapeworm is a parasitic flatworm that belongs to the class Cestoda. It is characterized by its long, ribbon-like body consisting of segments called proglottids. Tapeworms typically inhabit the digestive tracts of vertebrates, including humans, where they can cause health problems. They lack a digestive system of their own and absorb nutrients directly from their host's intestine. Tapeworms have complex life cycles involving intermediate hosts, such as small animals or insects, where they develop and reproduce. In humans, tapeworm infections can occur through the consumption of contaminated food or water, leading to symptoms like abdominal pain, weight loss, and digestive disturbances. Proper hygiene and safe food practices are important for preventing tapeworm infections.

What is a "tapeworm"?

tapeworm

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A threadworm is a small parasitic nematode that commonly infects the human gastrointestinal tract. It is characterized by its thin, thread-like appearance and small size, usually measuring around 0.3 to 1.2 centimeters in length. Threadworm infections are prevalent worldwide, especially among children. The female threadworms lay eggs around the anal area, leading to intense itching and discomfort. The eggs can be easily transferred to other surfaces, including bedding and clothing, contributing to the spread of the infection. Threadworm infections are typically treated with antiparasitic medications, and good personal hygiene practices, such as regular handwashing and maintaining a clean living environment, are essential for preventing the transmission of the parasite.

What is a "threadworm"?

threadworm

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A leech is a segmented, blood-sucking invertebrate that belongs to the class Hirudinea. It has a cylindrical body with a sucker at each end, enabling it to attach itself to the skin of its host. Leeches are typically found in freshwater environments such as ponds, swamps, and rivers. They use their powerful jaws to make small incisions in the skin and secrete an anticoagulant substance, allowing them to feed on the blood of their host. Despite their reputation as pests, leeches have been used in medicinal practices and for bloodletting in the past. They play a role in the ecosystem by helping to control populations of other organisms and by serving as a food source for various animals. Leeches have a remarkable ability to regenerate their body segments, which allows them to survive in diverse environments.

What is a "leech"?

leech

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A nematode is a slender, unsegmented worm that belongs to the phylum Nematoda. They are among the most abundant animals on Earth and can be found in various habitats, including soil, freshwater, and marine environments. Nematodes have a distinct cylindrical body shape and are usually microscopic in size. They have a simple digestive system and are known for their remarkable ability to adapt and survive in diverse conditions. Some nematodes are free-living, while others are parasitic, infecting plants, animals, or humans. They play important roles in ecosystems, as they decompose organic matter and contribute to nutrient cycling. However, certain parasitic nematodes can cause diseases in humans, animals, and crops.

What is a "nematode"?

nematode

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A caterpillar is the larval stage of a butterfly or moth, characterized by a worm-like body with numerous legs. It is a voracious feeder and primarily feeds on plant leaves. Caterpillars come in various colors and patterns, often camouflaging themselves to blend in with their surroundings. They undergo a remarkable transformation called metamorphosis, where they transition into a pupa and eventually emerge as an adult butterfly or moth. During their larval stage, caterpillars play a vital role in the ecosystem by contributing to plant pollination and serving as a food source for other organisms. Some caterpillars possess defense mechanisms such as stinging hairs or toxic chemicals to protect themselves from predators.

What is a "caterpillar"?

caterpillar

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A woodworm is a small worm-like insect that infests and damages wood. It burrows into the timber, feeding on the wood fibers and leaving behind a network of tunnels. Woodworms can cause significant structural damage to wooden furniture, flooring, and other wooden objects. They are particularly attracted to damp or decaying wood and can weaken the integrity of the material over time. To prevent woodworm infestation, it is essential to maintain proper wood moisture levels, implement effective ventilation, and treat any affected wood with appropriate wood preservatives.

What is a "woodworm"?

woodworm

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Hookworm is a parasitic nematode worm that infects humans and animals by penetrating the skin and migrating to the intestines. It derives its name from the hook-like structures on its mouth, which it uses to attach to the intestinal wall and feed on blood. Hookworm infections can lead to various health issues, including anemia, malnutrition, and impaired growth and development, particularly in children. These worms are commonly found in areas with poor sanitation and limited access to clean water. Prevention and control measures for hookworm infections include practicing proper hygiene, wearing shoes in areas with contaminated soil, and implementing deworming programs in affected communities.

What is a "hookworm"?

hookworm

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A liver fluke is a type of parasitic flatworm that primarily infects the liver and bile ducts of various animals, including humans. It has a flat, leaf-shaped body and is usually found in areas with freshwater sources. The life cycle of a liver fluke involves multiple stages, including eggs being released into the environment through the feces of infected animals and then being ingested by intermediate hosts such as snails. The larvae develop inside the snail before being released and infecting the final host, which can be a mammal, including humans. Liver fluke infections can cause liver damage, leading to symptoms such as abdominal pain, jaundice, and fatigue

What is a "liver fluke"?

liver fluke

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A glowworm is a unique insect known for its ability to emit light, creating a beautiful glow in the darkness. Despite its name, the glowworm is not actually a worm but a type of beetle or fly larva. It possesses specialized cells in its abdomen that produce bioluminescent light, which serves various purposes such as attracting prey, communicating with potential mates, or warning predators of its toxic nature. The glowworm's light is a captivating sight at night, often seen in caves, forests, or other dark habitats. It uses its luminescent glow to lure small insects, which it captures with sticky threads or traps. The glowworm undergoes a metamorphosis process to transform into an adult insect, often with wings and a different lifestyle. This enchanting creature has fascinated humans for centuries and continues to inspire awe and wonder in nature enthusiasts around the world.

What is a "glowworm"?

glowworm

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Here you will learn the names of different types of worms in English, such as "caterpillar", "leech", and "tapeworm".

“蠕虫”的英文单词