== Eksterne henvisninger ==
* [http://videnskab.dk/content/dk/temaer/tema_liv Videnskab.dks tværvidenskabelige tema om Liv] {{Webarchive|url=https://web.archive.org/web/20090525173825/http://videnskab.dk/content/dk/temaer/tema_liv |date=25. maj 2009 }}
* [http://www.huffingtonpost.com/2015/04/08/nasa-alien-life_n_7023134.html?ncid=fcbklnkushpmg00000063 NASA Chief Scientist Ellen Stofan Predicts We'll Find Signs Of Alien Life Within 10 Years. Huffpost Science]
* [http://www.foundalis.com/bio/zoo/index.htm Harry Foundalis: Index of Species] (Mange billeder). Citat: "...All of our pictures are copyrighted by the curator. Any use for commercial purposes without the consent of the copyright-holder is prohibited. Feel free to use our pictures for educational purposes...."
* [http://www.species2000.org/ Species 2000 Indexing the world's known species]. Species 2000 has the objective of enumerating all known species of plants, animals, fungi and microbes on Earth as the baseline dataset for studies of global biodiversity. It will also provide a simple access point enabling users to link from here to other data systems for all groups of organisms, using direct species-links.
* [http://ucjeps.berkeley.edu/bryolab/GPphylo/ Green Plant Phylogeny, Research Coordination Group, "DEEP GREEN", Understanding the Diversity of Plants]. A five-year effort to reconstruct the evolutionary relationships among all green plants has resulted in the most complete "tree of life" of any group of living things on the planet, including animals.
* [http://news.bbc.co.uk/1/hi/sci/tech/411757.stm BBC News, August 4, 1999: The mother of all plants]. Scientists have discovered that every plant species alive on land today shares a single common ancestor, at least 450 million years old.
* [http://news.bbc.co.uk/1/hi/sci/tech/869808.stm 7 August, 2000, Fantastic fungus find] Citat: "...Researchers in the US have found what is probably the largest living organism on Earth....Scientists say it covers 890 hectares (2,200 acres) of land – an area equivalent to about 1,220 football pitches. The fungus is called ''Armillaria ostoyae'', but is more popularly known as the honey mushroom. This particular specimen is calculated to be about 2,400 years old, although it could be two to three times this age...."
* [http://news.bbc.co.uk/1/hi/sci/tech/944790.stm BBCNews: 27 September, 2000, When slime is not so thick] Citat: "...It means that some of the lowliest creatures in the plant and animal kingdoms, such as slime and amoeba, may not be as primitive as once thought..."
Filosofi Fysik Naturvidenskab