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The annelids (/ ˈ æ n ə l ɪ d z /), also known as the segmented worms, comprise a large phylum called Annelida (/ ə ˈ n ɛ l ɪ d ə /; from Latin anellus 'little ring'). [ 3 ] [ a ] The phylum contains over 22,000 extant species , including ragworms , earthworms , and leeches .
Anolis auratus, the grass anole, is a species of lizard in the family Dactyloidae. The species is found in Costa Rica , Panama , Venezuela , Colombia , French Guiana , Guyana , and Brazil . [ 2 ]
Tubifex Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum: Annelida Clade: Pleistoannelida Clade: Sedentaria Class: Clitellata Order: Tubificida Family: Naididae Subfamily: Tubificinae Genus: Tubifex Lamarck, 1816 Type species Lumbricus tubifex Müller, 1774 Tubifex is a cosmopolitan genus of tubificid annelids that inhabits the sediments of lakes, rivers and occasionally ...
Hirudo orientalis is a species of medicinal leech.It has been confused with Hirudo medicinalis, but has recently been recognized as a different species. [1] [2] This Asian species is associated with mountainous areas in the subboreal eremial zone and occurs in Azerbaijan, Iran, Uzbekistan and Kazakhstan.
Like most annelids, with a few exceptions like Sipuncula, Echiura and Diurodrilus, [27] the leech is a segmented animal, but unlike other annelids, the segmentation is masked by secondary external ring markings . [28] The number of annulations varies, both between different regions of the body and between species. [24]
Asexual reproduction is a type of reproduction that does not involve ... many annelid worms including ... In the grass thrips genus Aptinothrips there have ...
The marine vase, enters in competition between other species in benthic environment. It takes the place of other native invertebrate species and causes a reduction in animal diversity in the environment in which it is newly installed, because of its high capacity to reproduce.
Clitellate annelids are segmented worms characterised by the clitellum or girdle which is located near the head end of mature individuals. The mouth is on the ventral surface and is overhung by the prostomium (proboscis). The brain is not located in the head but in one of the body segments.