Webseparate sexes. •The adult worms are 1-2 cm long with a cylindrical body that features two terminal suckers, a complex tegument, a blind digestive tract and reproductive organs •Schistosomes are long-lived worms, having a life span of 20-30 years. •Body is cylindrical, elongated and greyish or pinkish in colour. WebMar 22, 2015 · Nematode 1. NEMATODA Prepared by : MALAK SALAM 2. GENERAL CHARACTERISTICS OF NEMATODES They are un-segmented. Elongated and cylindrical. They have separate sexes with separate appearances. They have a tough protective covering or cuticle. They have a complete digestive tract with both oral and …
Which of the following will have a cylindrical body with separate …
WebSep 23, 2024 · Cnidarians have separate sexes. They have a life cycle that involves morphologically distinct forms—medusoid and polypoid—at various stages in their life cycle. Footnotes 1 “The Hydrozoa Directory,” Peter Schuchert, Muséum Genève, last updated November 2012, http://www.ville-ge.ch/mhng/hydrozoa...-directory.htm. Glossary … WebSep 23, 2024 · Asexual reproduction in animals occurs through fission, budding, fragmentation, and parthenogenesis. Sexual reproduction may involve fertilization inside the body or in the external environment. A species may have separate sexes or combined sexes; when the sexes are combined they may be expressed at different times in the life … how gg minecraft
Classification of Animal Kingdom (Animalia) - PMF IAS
WebThese animals possess a ring of muscles lining the dome of the body, which provides the contractile force required to swim through water. Scyphozoans are dioecious animals, that is, the sexes are separate. The gonads are formed from the gastrodermis and gametes are expelled through the mouth. WebSexes are separate (dioecious), i.e., males and females are distinct. Often females are longer than males. Fertilisation is internal and development may be direct (the young ones resemble the adult) or indirect. Examples : Ascaris (Roundworm), Wuchereria (Filaria worm), Ancylostoma (Hookworm). 4.2.6 Phylum – Annelida WebJul 11, 2024 · They are mostly dioecious i.e. sexes separate. Gonads and ducts single or double. Asexual reproduction doesn’t occur in them. Eggs have a chitinous shell, cleavage determinate and spiral. Their life cycle is simple or complicated usually with no special larval stages. Image Source: Wikipedia. Classification of phylum Aschelminthes highest grossing animated film 2013