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 ecosystem …

Jan 21, 2026 · Life-forms present on Earth today have evolved from ancient common ancestors through the generation of hereditary variation and natural selection.

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

Nov 30, 2021 · In the Phaedrus, Timeaus, and Republic, Plato divided life into three parts: vegetable life, animal life, and rational life. All living creatures possessed the first in the form of nutrition and …

Feb 3, 2026 · Mind How to live a meaningful life, according to science The meaning of life has puzzled philosophers for millennia, but new research suggests it could be as simple as lending a helping …

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

Mar 24, 2017 · Life: Directed by Daniel Espinosa. With Jake Gyllenhaal, Rebecca Ferguson, Ryan Reynolds, Hiroyuki Sanada. A team of scientists aboard the ISS discover a rapidly evolving Martian …

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 organisms and …

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

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 subject for an artist: a …