What it means: Abiotic means "without living organisms." Scientists typically use the term when referring to nonliving aspects of an ecosystem that affect organisms' growth or reproduction. Some ...

What it means: Abiogenesis is the emergence of life from nonliving matter through chemical processes. Scientists still don't know exactly how abiogenesis happened on Earth. Theories range from ...

Every living organism inherits a unique combination of traits, from eye colour and blood type to resistance against certain diseases. These characteristics are determined by genes, but genes ...

A comprehensive, premium IGCSE Biology Key Words & Definitions booklet containing 467 essential Biology terms across 69 spacious, professionally designed pages. Designed primarily for Cambridge IGCSE ...