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Where variation comes from

Where variation comes from

Variation within a population is essential because evolution is a change in allele frequencies over generations. A species is a group that can interbreed to produce fertile offspring, and a population is defined as that species living in the same place at the same time.

Variation and evolution Lesson

  1. A Level
  2. /Biology
  3. /Variation and evolution

Step-by-step lessons covering Eduqas A Level Biology Variation and evolution for A Level Biology. Each lesson works through exam-style questions in Component 1, Component 2 and Component 3 format. Build a strong foundation in cell biology and biochemistry early on, since later topics on genetics, ecology and physiology all draw on these core concepts.

Lessons