Biology
What allows life to exist?
Quick fact
Living organisms generally grow, use energy, respond to their environment, reproduce, and maintain internal order.
Why this is interesting
Life appears in countless forms, from tiny bacteria to enormous whales, yet all living things share surprising similarities.
Read the full explanation
Understanding What allows life to exist?
Biologists define life through a collection of characteristics rather than a single feature. Cells, metabolism, information storage, and reproduction are key parts of living systems.
A deeper explanation
Life is a complex process where matter becomes organised in a way that can maintain itself, adapt, and evolve over generations. Understanding life requires combining biology, chemistry, and physics.