Examine the structure of cells. See how their specialized structures carry out everything from energy production and waste disposal to the synthesis of new molecules and the storage of genetic material.
Matter and energy are organized in living systems in such a way that they help the organism adapt to its environment.
In 1850, Charles Darwin published The Origin of the Species in which he postulated that all plants and animals originated with a single cell and over time have evolved into the complex number of species that we know today. This theory has become the organizational principle that biologists use to explain the life sciences.
This is the Documentary by Discovery Channel
Explaining about why we live and alive
Plants and animals compete and cooperate in their environment resulting in what is often described as a "Balance of Nature" within an ecosystem.
This is the Documentary by Discovery Channel.
Explaining about why we live and alive.