File:You are here on the cladogenetic tree m.jpg

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You_are_here_on_the_cladogenetic_tree_m.jpg(545 × 521 pixels, file size: 73 KB, MIME type: image/jpeg)



It's All Related


Evolution

All life on Earth—including humanity—shares a last universal common ancestor (LUCA), which lived approximately 3.5–3.8 billion years ago. The fossil record includes a progression from early biogenic graphite to microbial mat fossils to fossilised multicellular organisms. Existing patterns of biodiversity have been shaped by repeated formations of new species (speciation), changes within species (anagenesis), and loss of species (extinction) throughout the evolutionary history of life on Earth. Morphological and biochemical traits are more similar among species that share a more recent common ancestor, and these traits can be used to reconstruct phylogenetic trees.


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current15:41, 23 September 2015Thumbnail for version as of 15:41, 23 September 2015545 × 521 (73 KB)Siterunner (talk | contribs)http://www.greenpolicy360.net/w/Tree_of_Life Category:Biodiversity Category:Biogeosciences Category:Biosphere Category:Earth Science Category:Earth Law Category:Ecological Economics Category:Eco-Spirituality [[Category:Ecol...