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Life is a quality that distinguishes matter that has biological processes, ... The structure of the souls of plants, animals, and humans, according to Aristotle.
The human population exploits and depends on many animal and plant species for food, mainly through agriculture, but also by exploiting wild populations, notably of marine fish. [10] [11] [12] Livestock animals are raised for meat across the world; they include (2011) around 1.4 billion cattle, 1.2 billion sheep and 1 billion domestic pigs. [12 ...
Even compared with other social animals, humans have an unusually high degree of flexibility in their facial expressions. [298] Humans are the only animals known to cry emotional tears. [299] Humans are one of the few animals able to self-recognize in mirror tests [300] and there is also debate over to what extent humans are the only animals ...
Killing animals for human needs is indefensible in all cases “The practice of breeding, raising and killing pigs for our purposes is deeply problematic as well. Pigs have consciousness ...
[44] [45] [46] Anthropomorphism, the attribution of human traits to non-human animals, is an important aspect of the way that humans relate to other animals such as pets. [ 47 ] [ 48 ] [ 49 ] There is a tension between the role of other animals as companions to humans, and their existence as individuals with rights of their own; ignoring those ...
Visual representation of the history of life on Earth as a spiral. Species go extinct constantly as environments change, as organisms compete for environmental niches, and as genetic mutation leads to the rise of new species from older ones.
Selenium, which is an essential element for animals and prokaryotes and is a beneficial element for many plants, is the least-common of all the elements essential to life. [ 3 ] [ 63 ] Selenium acts as the catalytic center of several antioxidant enzymes, such as glutathione peroxidase , [ 11 ] and plays a wide variety of other biological roles .
Conventional ethics concerned itself exclusively with human beings—that is to say, morality applied only to interpersonal relationships—whereas Schweitzer's ethical philosophy introduced a "depth, energy, and function that differ[s] from the ethics that merely involved humans". [5] "Reverence for life" was a "new ethics, because it is not ...