Biology A-Level
hierarchy
What hierarchy means in Biology A-Level, as defined for AQA.
Definition of hierarchy
Check what you remember
Read the wording for your board, then hide it and explain hierarchy in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A set of groups nested inside larger groups, like boxes within boxes, with no overlap between groups.
Topics that use hierarchy
- Species and taxonomy (AQA A-Level)
Related terms
- amino acid sequence comparison
- biological species concept
- classification tables
- common names
- convergent similarity
- domain to species
- eight taxonomic levels
- fertile offspring
Using hierarchy in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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