What phylum is a earthworm in?
Annelid
What is the earthworms species name?
Lumbricina
Which class belongs to phylum Annelida?
There are three classes of annelids: Class Polychaeta: marine annelids; Class Oligochaeta: marine, freshwater and terrestrial annelids including earthworms; Class Hirudinea: marine, fresh water and terrestrial leeches.
Who named annelida first?
CSS :: Phylum Annelida
| [A]. | Linnaeus | Lamarck |
|---|---|---|
| [C]. | Dales | Schwann |
What are the 3 classes of annelida?
Most authors accept the annelids as having three major classes: Polychaeta, Oligochaeta, and Hirudinea.
What does annelida mean in Latin?
Phylum Annelida includes segmented worms. The name of the phylum is derived from the Latin word annellus, which means a small ring. Animals in this phylum show parasitic and commensal symbioses with other species in their habitat.
What does annelid mean?
: any of a phylum (Annelida) of usually elongated segmented coelomate invertebrates (such as earthworms and leeches)
What are the four classes of annelida?
Phylum Annelida is divided into four main classes, primarly on the basis of setae, parapodia, metameres and other morphological features.
Is annelida a Pseudocoelomate?
Pseudocoelomates derive their body cavity partly from endoderm tissue and partly from mesoderm. Roundworms and not Annelids are pseudocoelomates.
What class are leeches?
Clitellata
What are the general characters of annelida?
Characteristics of Phylum Annelida
- They have a long and segmented body.
- Annelids are bilaterally symmetrical.
- They are triploblastic.
- Also, they exhibit organ system grade of organisation, showing organ differentiation.
- The body is covered with a thin cuticle.
- They are coelomate.
What is segmentation also called?
Segmentation, also called metamerism, or metameric segmentation, in zoology, the condition of being constructed of a linear series of repeating parts, each being a metamere (body segment, or somite) and each being formed in sequence in the embryo, from anterior to posterior.
Does Hirudinaria have Parapodia?
8. Parapodia and setae absent. 9. The gut wall is made up of an enteric epithelium, consists of a single layer of cells, some of which are glandular and others are absorptive.
Is Hirudinaria a Ectoparasite?
-It is found in freshwater ponds and sluggish streams. -They are also known as Indian cattle leech, it is a temporary ectoparasite that feeds on cattle and blood. -They are metamerically segmented. Their body contains 33 segments.
Is Hirudinaria a Coelomate?
6. Coelom in Hirudinaria Granulosa: The perivisceral coelom of general annelids has been lost in leeches, it is invaded and almost obliterated by botryoidal tissue, what is left is reduced to four intercommunicating haemocoelomic channels, their branches and some coelomic sinuses.
Is Hirudinaria dioecious?
pheretima (earthworm) and hirudinaria (common leech) both are hermaphrodite/ monoecious. wuchereria (filarial worm) is dioecious. both male and female are separate identities.
Are earthworms dioecious?
Earthworms are monoecious organisms as both male and female reproductive structures are in the same organisms.
Is nereis aquatic?
Nereis is an aquatic annelid. Its parapodia help it swim.
Is Pheretima is Monoecious animal?
Pheretima is a genus of earthworms found mostly in New Guinea and parts of Southeast Asia. Species belonging to the genus Pheretima have a clitellum, which is a band of glandular tissue present on segments 14 to 16….
| Pheretima | |
|---|---|
| Order: | Opisthopora |
| Suborder: | Lumbricina |
| Family: | Megascolecidae |
| Genus: | Pheretima Kinberg, 1867 |