The term life ( Latin: vita ) ? , from the point of view Biology, which is the most commonly used, refers to that which distinguishes the animal kingdoms , plant, fungi , protists, archaea and bacteria from other manifestations of nature . Involves the capacity to be born, grow, reproduce and die, and, over successive generations, evolve. Scientifically
could be defined as the ability to manage internal resources of a be physical so adapted to changes in its half , without a Direct correspondence cause and effect between being that manages resources and the change in the means by this being, but an asymptotic ideal approach to be established by the ideal that never reaches its full achievement by continuing environmental dynamics. [ 1 ]
covers a range of concepts of human beings and their environment related, directly or indirectly to the existence . General
In , we consider the internal condition essential that categorizes , both for their similarities and differences, the living . In general, the intermediate state between birth and death. From a biochemical view , Life can be defined as a state or special character of the area reached by specific molecular structures, with capacity to develop, maintain an environment recognizing and responding to stimuli and reproduce allowing continuity. These structures provide a range of biomolecular stability that allows life to be continued, and finally evolutionary dynamics. Thus, living beings are distinguished from inert by a set of features, the most important molecular organization, reproduction, evolution, and not spontaneous handling of its internal energy. The
Medicine, there are different interpretations science on the particular moment in which begins to exist human life, [ 3 ] therefore, according to religious or ideological convictions and legal requirements, life existed which fertilizes the egg [4 ] or since it is not possible legally abortion, [5 ] to the irreversible cessation of brain activity or brain death. It also defines the vegetative life as a set of involuntary neural and hormonal functions that fit the internal environment for the body is and respond in the best circumstances to external environmental conditions, functions that appear to be governed by the hypothalamus and the hypothalamic-pituitary . [ 6 ]
In Cosmology, is not yet known nor is it known whether it will be possible to ascertain the existence of life elsewhere in the Universe other than Earth, but scientists such as the now defunct popularizer Carl Sagan think that probabilistically speaking, and taking into account the conditions necessary for life as we know, the cosmos is so vast that makes necessary the existence of even advanced civilizations on other planets. [ 7 ] The Drake equation is an initial attempt to estimate the number of existing civilizations beyond Earth. [ 8 ] A series of scientific projects, SETI projects are dedicated to the search for extraterrestrial intelligent life. Moreover, the recent superstring theory has, among other findings, the possible existence of infinite parallel universes in which there would be a part of life worlds with identical and known, as well as in other universes, worlds with respect to changes from subtle to our total in a huge-but-finite range of possibilities.
From the perspective of psychology, life is a feeling appreciated by the ego interactions with half and, in reaction to this sentiment, the struggle to sustain their homeostasis preferred state.
Buddhist Religious :
:
:
:
Again, this definition is not accepted by many biologists because it includes virus within the group of living things and could eventually introduce a polymorphic computer virus that included some advanced routine Darwinian evolution. Of course no one would say that such a computer program was a living system. Thermodynamics
:
The increase of order in a living system does not breach the thermodynamic principle cited as not being an isolated system this increase is always achieved at the expense of increased entropy of the Universe. Thus, life also form part of the so-called complex systems . (See biological complexity )
could be defined as the ability to manage internal resources of a be physical so adapted to changes in its half , without a Direct correspondence cause and effect between being that manages resources and the change in the means by this being, but an asymptotic ideal approach to be established by the ideal that never reaches its full achievement by continuing environmental dynamics. [ 1 ]
covers a range of concepts of human beings and their environment related, directly or indirectly to the existence . General
In Science
In scientific terms and for Physics and other sciences related, life refers to the duration of things or the process of evolution (half-life , life cycle of stars [ 2 ] ). BiologyIn , we consider the internal condition essential that categorizes , both for their similarities and differences, the living . In general, the intermediate state between birth and death. From a biochemical view , Life can be defined as a state or special character of the area reached by specific molecular structures, with capacity to develop, maintain an environment recognizing and responding to stimuli and reproduce allowing continuity. These structures provide a range of biomolecular stability that allows life to be continued, and finally evolutionary dynamics. Thus, living beings are distinguished from inert by a set of features, the most important molecular organization, reproduction, evolution, and not spontaneous handling of its internal energy. The
Medicine, there are different interpretations science on the particular moment in which begins to exist human life, [ 3 ] therefore, according to religious or ideological convictions and legal requirements, life existed which fertilizes the egg [4 ] or since it is not possible legally abortion, [5 ] to the irreversible cessation of brain activity or brain death. It also defines the vegetative life as a set of involuntary neural and hormonal functions that fit the internal environment for the body is and respond in the best circumstances to external environmental conditions, functions that appear to be governed by the hypothalamus and the hypothalamic-pituitary . [ 6 ]
In Cosmology, is not yet known nor is it known whether it will be possible to ascertain the existence of life elsewhere in the Universe other than Earth, but scientists such as the now defunct popularizer Carl Sagan think that probabilistically speaking, and taking into account the conditions necessary for life as we know, the cosmos is so vast that makes necessary the existence of even advanced civilizations on other planets. [ 7 ] The Drake equation is an initial attempt to estimate the number of existing civilizations beyond Earth. [ 8 ] A series of scientific projects, SETI projects are dedicated to the search for extraterrestrial intelligent life. Moreover, the recent superstring theory has, among other findings, the possible existence of infinite parallel universes in which there would be a part of life worlds with identical and known, as well as in other universes, worlds with respect to changes from subtle to our total in a huge-but-finite range of possibilities.
From the perspective of psychology, life is a feeling appreciated by the ego interactions with half and, in reaction to this sentiment, the struggle to sustain their homeostasis preferred state.
The philosophy
From a philosophical perspective , can be approached from different modes of conceptualization: objectivism ( Edmund Husserl), soul-body dualism ( Plato, Descartes , Max Scheller, Ludwig Klages ), mind and brain ( Henri Bergson), life and being ( Héctor Delfor Mandrioni ), and the phenomenology of knowledge and apprehension ( Nicolai Hartmann). [ 9 ] The concept of life or existence, inseparable from death or absence , and their significance, have been and are different in the different places and times of history . The paramount importance of life for human beings influence the language, so that there are many different uses and expressions that contain this term. [10 ]In Religion
For most religions , life has spiritual connotations, and transcendental. Definitionslife
Nonspecific: substantial internal strength by which the work has to be that. [ 11 ]
Philosophical : autoperfectiva inherent natural activity.
Christian Religious: Human life is a step that leads the soul from the eternal lack of fullness in a period of time.
The wages of sin is death but the gift of God is eternal life in Christ Jesus our Lord. [ 12 ]
Or: state of activity. Animate existence of a being or duration of that existence. [ 13 ]
Buddhist Religious :
life is each of the states of reincarnation of living beings in samsara. Physiological
: A living organism is one composed of organic matter (C, H, O, N, S, P), capable of carrying out functions such as eating, metabolizing, excreting, breathing , move, grow, reproduce and respond to external stimuli.
But such functions are not entirely determinative. For example, some strictly anaerobic chemosynthetic bacteria do not breath. Today, this definition does not fit correctly and, despite its initial popularity, has already been discarded. Metabolic :
A living system is an object with a definite boundary that continuously exchanges substances with the surrounding environment unaltered.
also has been rejected for failure to include live objects such as seeds, spores, or bacteria encapsulated in a state of dormancy. And also be defined as living entities such as fire. Biochemistry :
All living organisms contain reproducible hereditary information coded in nucleic acids which control cellular metabolism through molecules (proteins ) calls enzymes that catalyze or inhibit the various biological reactions.
Despite being more precise and accurate, neither is considered a valid definition because it excludes the life out of the chemistry we know and, for example, impossible in the field or in a chemical cybernetic different, something that until now has not been demonstrated. Genetics :
Again, this definition is not accepted by many biologists because it includes virus within the group of living things and could eventually introduce a polymorphic computer virus that included some advanced routine Darwinian evolution. Of course no one would say that such a computer program was a living system. Thermodynamics
:
Living systems are a special organization and localized field, which produces a continuous increase in order without external intervention.
This definition, perhaps the best and most comprehensive, born of the new and better understanding of the Universe has been taken in the last century. It is based on second law of thermodynamics , which says that entropy or disorder of an isolated system always increases. The increase of order in a living system does not breach the thermodynamic principle cited as not being an isolated system this increase is always achieved at the expense of increased entropy of the Universe. Thus, life also form part of the so-called complex systems . (See biological complexity )
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