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en.wikipedia.org/wiki/Hydra_(genus)

Hydra /ˈhaɪdrə/ is a genus of small, fresh-water animals of the phylum Cnidaria and class ... Hydra species .... The Journal of Biological Chemistry. 284 (3): ...

quatr.us/biology/animals/sponges/hydra.htm

January 2017 - For almost three billion years, the only living things on earth were one-celled creatures, either prokaryotes or eukaryotes. Even today, the vast ...

www.devbio.biology.gatech.edu/?page_id=484

Asexual Reproduction in Hydra: 1: a bud begins to form on the tubular body of an adult Hydra. 2: The bud develops a mouth and tentacles. 3: The bud detaches ...

www.cell.com/current-biology/abstract/S0960-9822(10)01172-3

Nov 23, 2010 ... Department of Biological Chemistry and the Developmental Biology Center ... While most cnidarians are marine, Hydra is unusual in that it lives ...

www.sciencedirect.com/science/book/9780121459505

The online version of Biology of Hydra by Allson Burnett on ScienceDirect.com, the world's leading platform for high quality peer-reviewed full-text books.

www.elsevier.com/books/biology-of-hydra/burnett/978-0-12-145950-5

Biology of Hydra covers eight areas of Hydra biology, particularly, its behavior and ecology; polarity; gastrodermal and epidermal regeneration; differentiation of  ...

biology.stackexchange.com/questions/6884/why-is-the-hydra-biologically-immortal

Jan 21, 2013 ... I have heard that the Hydra organism is biologically immortal (later I found that there are more immortal organisms). Now I know that its ...

.ask.com/youtube?q=Hydra+Biology&v=12OmszObAkM
Mar 1, 2007 ... A live video capture of a Hyrda using the bright field mircoscope technique.

www.biologycorner.com/worksheets/articles/hydra.html

A common organism to study in a biology lab is the hydra. The hydra belongs to a group of organisms known as cnidarians or sometimes called coelenterates.

www.countrysideinfo.co.uk/hydra.htm

Hydra are truly fascinating small aquatic animals. Most hydra are tiny, reaching a maximum of only about 30 mm long when fully extended. They are barely ...