.jpg) aquarium introduces native sea animals. Image by harum.koh from Kobe city, Japan, via Wikimedia Commons. Licensed CC BY-SA 2.0 |
LifeLife Life Matter with biological processes For other uses, see Life (disambiguation). Life is matter that has biological processes, such as signaling and the ability to sustain itself. It is defined descriptively by the capacity for homeostasis, organisation, metabolism, growth, adaptation, response to stimuli, and reproduction. All life eventually reaches a state of death, and none is immortal. Many philosophical definitions of living systems have been proposed, such as self-organizing systems. Defining life is further complicated by viruses, which replicate only in host cells, and the possibility of extraterrestrial life, which could be very different from life on Earth. Life exists all over the Earth in air, water, and soil, with many ecosystems forming the biosphere. Some of these are… (Source: Wikipedia)
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