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Inheritance & EvolutionDeep Dive

The Linnaean Classification System

Part of Classification — GCSE Biology

This deep dive covers The Linnaean Classification System within Classification for GCSE Biology. Classification systems, taxonomy, and evolutionary relationships It is section 1 of 11 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 1 of 11

Practice

25 questions

Recall

20 flashcards

The Linnaean Classification System

The Filing Cabinet Analogy

Classification is like organising files into folders. Kingdom is the biggest folder. Inside that are Phylum folders, then Class folders, and so on until you reach Species — a single "file" representing one type of organism. Each level gets more specific!

Carl Linnaeus organised life into a hierarchy:

Kingdom → Phylum → Class → Order → Family → Genus → Species

Remember: Keep Ponds Clean Or Fish Get Sick

Keep building this topic

Read this section alongside the surrounding pages in Classification. That gives you the full topic sequence instead of a single isolated revision point.

The Three Domain SystemBinomial Naming SystemHow It Works: Classification and Why It Changes

Practice Questions for Classification

What is the highest level in the Linnaean classification system?

  • A. Species
  • B. Kingdom
  • C. Phylum
  • D. Class
1 markfoundation

What is the purpose of classifying living things based on their DNA and genome characteristics?

2 marksstandard

Quick Recall Flashcards

What is biological classification?
The process of sorting organisms into groups based on shared characteristics and evolutionary relationships. Classification helps scientists name, study, and communicate about the huge variety of life on Earth.
How do you correctly write a binomial (scientific) name?
Genus name first with CAPITAL letter, species name second in lower case — e.g. Homo sapiens. Both words are italicised when typed or underlined when handwritten. Example: Felis catus (domestic cat), Panthera leo (lion).

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The Three Domain System