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5:48
YouTube
Cognito
GCSE Biology - Variation and Evolution (2026/27 exams)
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. Variation Within Populations * Genetic Variation (differences in genes/genomes) * Environmental Variation (influence of surroundings) * Phenotype (observable characteristics from genes and environment interaction) 2. Mutations as a Source of Variation ...
66.5K views
9 months ago
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