ATARMAxxing · SACE Biology revision notes
Allopatric speciation, adaptive radiation, convergent evolution, succession and extinction risk
Speciation, succession and biodiversity
What this note covers
- Allopatric speciation begins with geographic separation
- Divergent evolution and adaptive radiation share ancestry
- Convergent evolution produces analogous similarities
- Succession changes communities after disturbance
- Low genetic diversity raises extinction risk
- Human pressures and biodiversity decisions have long consequences
- Testing a proposed allopatric-speciation sequence against the evidence
- Evaluating a biodiversity intervention across several biological mechanisms
8 sections · 10 key terms & formulas · 6 common mistakes
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