Discover the World of Biology

Life is a quality that distinguishes matter that has biological processes, such as signaling and self-sustaining processes, from matter that does not, and is defined by the capacity for growth, reaction to stimuli, metabolism, energy transformation, and reproduction.

Various forms of life exist, such as plants, animals, fungi, protists, archaea, and bacteria.

The gene is the unit of heredity.

<p>The cell is the structural and functional unit of life.</p> Signup and view all the answers

<p>There are two kinds of cells, prokaryotic and eukaryotic. Prokaryotic cells lack a nucleus and other membrane-bound organelles, while eukaryotic cells have a nucleus and membrane-bound organelles.</p> Signup and view all the answers