Biology A (Salters-Nuffield) A-Level
Selection pressure and differential survival
What Selection pressure and differential survival means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of Selection pressure and differential survival
Check what you remember
Read the wording for your board, then hide it and explain Selection pressure and differential survival in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
In a given environment, some individuals have alleles giving a selective advantage, so they are more likely to survive and reproduce.
Topics that use Selection pressure and differential survival
- Topic 4: Biodiversity and Natural Resources (Pearson Edexcel A-Level)
Related terms
- Adaptation and speciation
- Allele frequency change over time
- Amyloplast
- Aseptic technique
- Binary fission
- Biodegradability
- Calcium and magnesium in plant structure and function
- Cellulose
Using Selection pressure and differential survival in the exam
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