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  1. Life - Wikipedia

    Life exists all over the Earth in air, water, and soil, with many ecosystems forming the biosphere. Some of these are harsh environments occupied only by extremophiles. The life in a particular …

  2. Life | Definition, Origin, Evolution, Diversity, & Facts | Britannica

    Life comprises individuals, living beings, assignable to groups (taxa). Each individual is composed of one or more minimal living units, called cells, and is capable of transformation of carbon …

  3. LIFE Definition & Meaning - Merriam-Webster

    The meaning of LIFE is the quality that distinguishes a vital and functional being from a dead body. How to use life in a sentence.

  4. LIFE | English meaning - Cambridge Dictionary

    LIFE definition: 1. the period between birth and death, or the experience or state of being alive: 2. for the whole…. Learn more.

  5. Life (Stanford Encyclopedia of Philosophy)

    Nov 30, 2021 · A wide range of practices rely on competing conceptions of life: including artificial life, origins-of-life research, the search for life, and other projects described above.

  6. Life - New World Encyclopedia

    A difficult term to define, life can be considered the characteristic state of living organisms and individual cells, or that quality or property that distinguishes living organisms from dead …

  7. Definition of Life – Introductory Biology: Evolutionary and …

    All groups of living organisms share several key characteristics or functions: order, sensitivity or response to stimuli, reproduction, adaptation, growth and development, regulation, …

  8. How did life originate? - Understanding Evolution

    Thus, the ability to copy the molecules that encode genetic information is a key step in the origin of life — without it, life could not exist. This ability probably first evolved in the form of an RNA …

  9. Life - Evolution, Diversity, Biology | Britannica

    If truly only one sort of life on Earth exists, then perspective is lacking in a most fundamental way. On the other hand, the historical continuity of all life-forms means that ancient life, perhaps …

  10. Life - Simple English Wikipedia, the free encyclopedia

    Life is a concept in biology. It is about what separates a living thing from dead matter. Most life on Earth is powered by solar energy: the only known exceptions are the chemo-synthetic bacteria …