WebJan 20, 2024 · Group the following animals on the basis of symmetry and given a suitable title for each category. (SAY-2010) Asterias, – Hirudinaria, – Octopus, Hydra Answer: Asterias – Echinodermata, Hirudinaria – Annelida, octopus – Molluscs, Hyrda – Coelenterata (Cnidaria) Question 6. WebMar 22, 2024 · Hydroida Hydra, genus of invertebrate freshwater animals of the class Hydrozoa (phylum Cnidaria). The body of such an organism consists of a thin, usually translucent tube that measures up to about 30 …
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If Hydra are alarmed or attacked, the tentacles can be retracted to small buds, and the body column itself can be retracted to a small gelatinous sphere. Hydra generally react in the same way regardless of the direction of the stimulus, and this may be due to the simplicity of the nerve nets. Hydra are generally sedentary … See more Hydra is a genus of small freshwater organisms of the phylum Cnidaria and class Hydrozoa. They are native to the temperate and tropical regions. The genus was named by Linnaeus in 1758 after the Hydra, … See more The nervous system of Hydra is a nerve net, which is structurally simple compared to more derived animal nervous systems. Hydra does not have a recognizable brain or true See more Hydra mainly feed on aquatic invertebrates such as Daphnia and Cyclops. While feeding, Hydra extend their body to maximum length … See more Hydras undergo morphallaxis (tissue regeneration) when injured or severed. Typically, Hydras will reproduce by just budding off a whole … See more Hydra has a tubular, radially symmetric body up to 10 mm (0.39 in) long when extended, secured by a simple adhesive foot known as the … See more When food is plentiful, many Hydra reproduce asexually by budding. The buds form from the body wall, grow into miniature adults and break away when mature. When a hydra is well fed, a new bud can form every two … See more The species Hydra oligactis is preyed upon by the flatworm Microstomum lineare. See more WebThe Lernaean Hydra is a water monster from Greek mythology. It is said that the Hydra had many heads (most accounts say nine), and whenever a head was chopped off, two heads grew back in its place. The Hydra also … optimax arizona knoflook met lecithine
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WebThe following are two lists of animals ordered by the size of their nervous system.The first list shows number of neurons in their entire nervous system, indicating their overall neural complexity. The second list shows … WebApr 21, 2024 · The black flying fox (Pteropus alecto), is a species of flying fox in the family Pteropodidae. It is one of the largest bats in the world, with a wingspan of up to 1.5 m (4 … WebPets are creatures that follow the player around. They are completely invincible and have no set duration. When summoned, they will give the player a buff with the same name as the pet. A pet will follow the player until they die, summon a different pet, leave the world or cancel the associated buff. Most pets are purely cosmetic, but some of the Old-gen … optimax 365 black light