Domain

Contents

Key Stage 4

Meaning

A domain is the most basic division of organisms into three large groups based on their DNA.

About Domains

The three domains are:

• Archaea - Primitive forms of bacteria.
• Bacteria
• Eukaryota - All eukaryotic organisms.

References

AQA

Domain, pages 22-23, GCSE Biology; Student Book, Collins, AQA

Edexcel

Domains, page 61, GCSE Combined Science, Pearson Edexcel

Domains, page 83, GCSE Biology, Pearson, Edexcel