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, …

Dec 13, 2025 · 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 · 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 to characterize life …

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

Experience LIFE's visual record of the 20th century by exploring the most iconic photographs from one of the most famous private photo collections in the world.

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 …

Sep 11, 2025 · Life quotes help inspire and motivate you. Find positive quotes about life, inspirational sayings, and more to help give you a fresh perspective.

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 …

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 …