Biodiversity: figures; data; papers and scientific studies Even large organisms are continuously being discovered today; for example, 780 crab species, 29 lobster species, 286 shrimp species, and 1,565 fish species were discovered between 1999 and 2008 Researchers estimate that 2 to 8 additional cetacean species and roughly 10 new marine reptile species (such as sea snakes) remain to be discovered
Global Biodiversity Is in Crisis, but There Is Hope for Recovery Not only are the species themselves at risk, so is everything connected to them These species are all tied to intricate webs of life serving purposes beyond their mere existence The ecosystem services provided by diverse species are crucial to the survival of life within their spheres of influence, especially our own survival
On the Origin of Species: Famous Quotes Explained - SparkNotes There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and wonderful have been, and are being, evolved
Life Within One Cubic Foot | National Geographic Life at the ground level is not just a random mix of species, not an interspersion of fungi, bacteria, worms, ants, and all the rest The species of each group are strictly stratified by depth
The role of life history traits in mammalian invasion success Introduction The outcome of introductions of alien organisms in novel environments varies greatly across species Following release into a non-native environment (introduction), an alien population establishes if it reaches a sufficient size to be self-sustaining (establishment) but ‘invasive’ species are those that show a dramatic increase in range size post-establishment (spread; Fig
Human evolution - Wikipedia The hominoids are descendants of a common ancestor Homo sapiens is a distinct species of the hominid family of primates, which also includes all the great apes [1] Over their evolutionary history, humans gradually developed traits such as bipedalism, dexterity, and complex language, [2] as well as interbreeding with other hominins (a tribe of the African hominid subfamily), [3] indicating
Bear - Wikipedia There are two phylogenetic hypotheses on the relationships among extant and fossil bear species One is all species of bears are classified in seven subfamilies as adopted here and related articles: Amphicynodontinae , Hemicyoninae , Ursavinae , Agriotheriinae , Ailuropodinae , Tremarctinae , and Ursinae