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 …

Dec 13, 2025 · Life is defined as any system capable of performing functions such as eating, metabolizing, excreting, breathing, moving, growing, reproducing, and responding to external …

LIFE definition: the condition that distinguishes organisms from inorganic objects and dead organisms, being manifested by growth through metabolism, reproduction, and the power of …

Nov 30, 2021 · As such, the nature of life continues to be a hotly debated topic. This article focuses on the subject matter of biology: life. The first half of this article will focus on attempts …

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

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

1. Of or relating to animate existence; involved in or necessary for living: life processes. 2. Continuing for a lifetime; lifelong: life partner; life imprisonment. 3. Using a living model as a …

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 …

Someone's life is the period of time during which they are alive. He spent the last fourteen years of his life in retirement.

Meaning of life The meaning of life is the concept of an individual's life, human life, or existence in general having an inherent significance or a philosophical point. There is no consensus on the …