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.

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.

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 living …

Definition of life noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Dec 13, 2025 · The existence of diverse definitions of life, as detailed in the previous section, surely means that life is complex and difficult to briefly define. A scientific understanding of living systems …