Hydra,genusof invertebrate freshwater animals of the classHydrozoa(phylum Cnidaria). The body of such an organism consists of a thin, usually translucent tube that measures up to about 30 millimetres (1.2 inches) long but is capable of great contraction. The body wall iscomprisedof two layers ...
(Class. Myth.) A serpent or monster in the lake or marsh of Lerna, in the Peloponnesus, represented as having many heads, one of which, when cut off, was immediately succeeded by two others, unless the wound was cauterized. It was slain by Hercules. Hence, a terrible monster. Gorgon...
Phylum Cnidaria: this refers to aquatic organisms that typically have tentacles Class Hydrozoa: small predatory polyploid or radial in appearance with possible tentacles Family Hydridae: refers to physical appearance Genus Hydra: polyp-like with a tubular body ...
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The 3231-nucleotide-pair (ntp) sequence of one end of one of the two linear mitochondrial (mt) DNA molecules of Hydra attenuata (phylum Cnidaria, class Hydrozoa, order Anthomedusae) has been determined. This segment contains complete genes for tRNA(f-Met), l-rRNA, tRNA(Trp), subunit 2 ...
Phylum Cnidaria Fatma El-Bawab, in Invertebrate Embryology and Reproduction, 2020 Hydra vulgaris The simplest members of the whole class (with the exception of one or two imperfectly known forms, which will be referred to below) are the freshwater polyps of the genus Hydra (found all over the...
Chapter 7 - Flatworms: Phylum Platyhelminthes, Class Turbellaria Field Guide to Freshwater Invertebrates of North America, 2011, Pages 57–60 PDF (388 K) Chapter 16 - Copepods, Fish Lice, and Seed Shrimp: Subphylum Crustacea, Classes Maxillopoda and Ostracoda 2011, Field Guide to Freshwater In...
The evolution of opsin genes is of great interest because it can provide insight into the evolution of light detection and vision. An interesting group in which to study opsins is Cnidaria because it is a basal phylum sister to Bilateria with much visual diversity within the phylum.Hydra vulgar...
Pulmonary and systemic circuits are responsible for the transportation of deoxygenated blood away from the heart and towards the lungs so that it can become oxygenated before it is pumped throughout the body. Answer and Explanation: a) fr...
Class 12BIOLOGYCOELENTERATA AND CTENOPHORA (OR CNIDARIA AND ACNIDARIA) Topper's Solved these Questions COELENTERATA AND CTENOPHORA (OR CNIDARIA AND ACNIDARIA)BOOK - DINESH PUBLICATION ENGLISHCHAPTER - COELENTERATA AND CTENOPHORA (OR CNIDARIA AND ACNIDARIA)EXERCISE - CYG 10 Videos COELENTERATA AND ...