Web39. The most common animal of class Hydrozoa of phylum Coelenterata is (a) Hydra (b) Sea-anemone (c) Sea-urchin (d) Aurellia 40. Obelia belongs to (a) Class Hydrozoa (b) Class Scyphozoa (c) Class Actinozoa(d) Class Anthozoa 41. Polyp and medusa are asexual and Sexual forms respectively. Both forms are well developed in WebDec 18, 2024 · b. Animals in phylum Ascheminthes-female Ascaris belongs to phylum Aschelminthes. Phylum Aschelminthes: Roundworms are the popular name for …
What is true about Nereis, scorpion, cockroach and silver fish? 1 …
WebThis favourite worm of the farmers then belongs to which phylum? Any ideas? If we closely observe the earthworm we can find only a segmented body. ... except in a few … WebNereis belongs to Phylum Annelida and scorpion, cockroach and silver fish belong to Phylum Arthopoda. They all possess dorsal heart. top 100 british films
Animal Kingdom Classification System Class 11 Notes Download …
Nereis are osmoconformers. They are dioecious (individuals are male or female) and they release their haploid gametes into the water, a process called spawning. Moreover, upon fertilization and mitotic divisions of the zygote, Nereids form a larval stage which is similar to that of molluscs – i.e. a trochophore larva. See more Nereis is a genus of polychaete worms in the family Nereididae. It comprises many species, most of which are marine. Nereis possess setae and parapodia for locomotion and gas exchange. They may have two types of setae, … See more The scientific Latin genus name Nereis derives from the Ancient Greek Νηρηΐς : Nērēís (stem Νηρηΐδ- : Nērēid), a sea nymph See more The genus Nereis contains the following species: • Nereis abbreviata Holly, 1935 • Nereis abyssa Imajima, 2009 See more WebAnswer- (d) Solution- Nereis, earthworm and leech belong to phylum Annelida. It is a group of animals having segmented body without spines and their body surface is covered with … WebNov 18, 2016 · Nematodes are a very diverse phylum that has adapted to nearly every ecosystem. They have developed specialized lifestyles, dividing the phylum into free-living, animal, and plant parasitic species. Their sheer abundance in numbers and presence in nearly every ecosystem make them the most prevalent animals on earth. In this research … piano academy online