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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 Hydrozoa. They are native to the temperate and tropical regions. Biologists are especially interested in Hydra because of their regenerative ...

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.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.britannica.com/animal/Hydra-hydrozoan-genus

Dec 26, 2016 ... Hydra: genus of invertebrate freshwater animals of the class ... reproduction (in reproduction (biology): Reproduction of organisms) (in sex: Life ...

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

Nov 23, 2010 ... Department of Biological Chemistry and the Developmental Biology Center ... The letter included a red chalk drawing of Hydra on parchment ...

www.ncbi.nlm.nih.gov/pmc/articles/PMC2591321

Full text. Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (126K), or click on a page ...

www3.northern.edu/natsource/INVERT1/Hydra1.htm

Hydra are named after the nine-headed sea snake of Greek mythology and are .... Dr. Jonathan Wright, Department of Biology Northern State University, ...

.ask.com/youtube?q=Hydra+Biology&v=TQC7BJOW8D0
Mar 9, 2015 ... Watching a living hydra under a microscope (stabilized) - Duration: 4:53. AyaseBestGirl 4,048 views · 4:53 · Hydra feeding on Artemia nauplii ...

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

I have heard that the Hydra organism is biologically immortal (later I ... a somewhat smaller picture of a Hydrae. Hydra are just one of the many ...

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  ...