Webreproductive patterns within the errantia vary between taxa. nereis and glycera, however, do show features common to many errantians. all of the following are common to reproduction by both nereis and glycera except one. ... leeches become_____ when searching for food. positively phototaxic. leeches belong to the annelid clade. WebNov 2, 2009 · 1.Leeches belong to the subclass Hirundinea while Earthworms belong to Oligochaeta. 2.Very few types of leeches feed on blood the rest prey on small invertibrates while earthworms pass the soil through their gut and extract nutrients from it. 3.Some types of leeches are used for medical purposes while earthworms perform their role in ecology …
Annelida - Oklahoma Biological Survey
WebNervous system. The nervous system of free-moving polychaetes is similar to that of oligochaetes. It consists of a dorsal brain, or supraesophageal ganglion, which is a discrete mass of nervous tissue in the prostomium; a pair of nerves united ventrally to form the ventral subesophageal ganglion; and paired nerve cords with one ganglion per segment.. … WebSolution Verified by Toppr Correct option is A) Leeches and tapeworms are hermaphroditic with reproductive organs of both sexes occurring in the same individual. However, … great movies to rewatch
Phylum Annelida: Characteristics, Classification & Examples
WebLab Directions: Specimens available are: Nereis: the clamworm, slide of parapodium and preserved ; Arenicola: the lugworm, preserved specimens ; Aphrodite: the sea mouse, preserved specimens . As always make a small sketch of the whole specimens. For your detailed sketch, make representative drawings of the parapodia in at least two of the … WebMay 21, 2024 · REVIEW: "Into the Breeches!" at Northlight Theatre at the North Shore Center for the Performing Arts, Skokie (2 stars) Web1. Annelids show advancement over the nematode in having a) Metameric segmentation b) True coelom c) Closed circulatory ststem d) all of the above 2. Anticoagulant secreted by leech is a) Heparin b) Hirudin c) Haematin d) Hamoglobin 3. Leech belongs to the class a) Oligochaeta b) Hirudinea c) Polycheta d) Chaetopoda 4. great movies that nobody saw