Biology A (Salters-Nuffield) A-Level
Adaptation and speciation
What Adaptation and speciation means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Adaptation and speciation
Check what you remember
Read the wording for your board, then hide it and explain Adaptation and speciation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Adaptation occurs through natural selection acting on inherited variation over generations, and new species can evolve if populations become reproductively isolated and accumulate enough genetic differences.
Topics that use Adaptation and speciation
- Topic 4: Biodiversity and Natural Resources (Pearson Edexcel A-Level)
Related terms
- Allele frequency change over time
- Amyloplast
- Aseptic technique
- Binary fission
- Biodegradability
- Calcium and magnesium in plant structure and function
- Cellulose
- Cellulose microfibrils
Using Adaptation and speciation 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.
Practise Biology A (Salters-Nuffield) questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A (Salters-Nuffield) A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge