KS3SCI6 · Selection 1 / Selection 2 / Selection 3 / Selection 4 Ecosystems, inheritance and evolution mind map
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Selection 1
Competition: Limited resources; differing success
Competition for resources: Shared limited resources drive competition
Natural selection: Inherited traits change in frequency
Selection 2
Variation before selection: Selection acts on existing variation
Selection over generations: Different reproductive success changes populations
Extinction: Failure to survive and reproduce
Selection 3
Extinction pressures: Global loss differs from local absence
Biodiversity: Variety and genetic resources
Biodiversity and resilience: Protect interactions as well as species
Selection 4
Gene banks: Preserve hereditary material
Gene banks and conservation: Stored diversity complements habitat protection
Evaluating a conservation claim: Check how abundance was measured
