What is classified as a flatworm?
Flatworm, also called platyhelminth, any of the phylum Platyhelminthes, a group of soft-bodied, usually much flattened invertebrates. A number of flatworm species are free-living, but about 80 percent of all flatworms are parasitic—i.e., living on or in another organism and securing nourishment from it.
What does platyhelminthes mean in Greek?
The flatworms, flat worms, Platyhelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning “flat” and ἕλμινς (root: ἑλμινθ-), helminth-, meaning “worm”) are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.
What does platyhelminthes translate to?
Flatworm. The flatworms, or Platyhelminthes, Plathelminthes, or platyhelminths (from the Greek πλατύ, platy, meaning “flat” and ἕλμινς (root: ἑλμινθ-), helminth-, meaning worm) are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates.
What does nematoda mean in Latin?
a class of worms, usually parasitic, irregular Modern Latin compound of Greek nemat- “thread” (see nemato-) + -odes “like, of the nature of” (see -oid).
What does platyhelminthes mean in Latin?
Platyhelmintha flatworm
What does nematode mean in biology?
: any of a phylum (Nematoda or Nemata) of elongated cylindrical worms parasitic in animals or plants or free-living in soil or water. — called also roundworm.
What does nematode mean in Greek?
thread
Are nematodes microorganisms?
Among the microorganisms found in the soil are bacteria, actinomycetes, fungi, micro-algae, protozoa, nematodes, and other invertebrates (mostly arthropods).
What is nematode life cycle?
The life cycle of a plant-parasitic nematode has six stages: egg, four juvenile stages and adult. Male and female nematodes occur in most species, but reproduction without males is common, and some species are hermaphroditic (Afemales@ produce both sperm and eggs). Egg production by the individual completes the cycle.
How do you control nematode?
The most reliable practices are preventive, including sanitation and choice of plant varieties. You can reduce existing infestations through fallowing, crop rotation, and soil solarization. However, these methods reduce nematodes primarily in the top foot or so of the soil, so they are effective only for about a year.
What is the largest nematode?
Structure. Ascaris lumbricoides is the largest and most common intestinal nematode of humans.