Sub-topic 1
2025 · National One-Eighth
Free
Evolutionary phenomena: atavism, polymorphism, vestigial structures and genetic drift
Read past contest →
Sub-topic 2
2026 · National One-Eighth
Premium
Homologous and analogous structures
Read past contest →
Sub-topic 3
2026 · National One-Eighth
Premium
Lamarckism versus natural selection: identifying non-lamarckian evolutionary mechanisms (true/false)
Read past contest →
Sub-topic 4
2026 · National Preliminary
Premium
Natural selection as the central concept of darwin's theory of evolution
Read past contest →
Sub-topic 5
2025 · National Semifinal
Premium
The bottleneck effect: sharp population reduction and loss of genetic diversity
Read past contest →
Sub-topic 6
2026 · National Quarterfinal
Premium
Convergent evolution: unrelated species independently evolving similar traits
Read past contest →
Sub-topic 7
2026 · National Quarterfinal
Premium
The coccyx as a vestigial tailbone structure
Read past contest →
Sub-topic 8
2026 · National One-Eighth
Premium
Darwin's finches and natural selection
Read past contest →
Sub-topic 9
2018 · National Preliminary
Premium
Riddle: coevolution and reciprocal selective pressure
Read past contest →
Sub-topic 10
2017 · National Quarterfinal
Premium
Riddle: coevolution and reciprocal selective pressure
Read past contest →
Sub-topic 11
2018 · National Quarterfinal
Premium
The four components of darwin's natural selection
Read past contest →
Sub-topic 12
2023 · National One-Eighth
Premium
Reproductive isolation and modes of speciation
Read past contest →
Sub-topic 13
2024 · National One-Eighth
Premium
Riddle: the mesozoic era
Read past contest →
Sub-topic 14
2026 · National Preliminary
Premium
Industrial melanism as evidence of natural selection (true/false)
Read past contest →
Sub-topic 15
2026 · National Preliminary
Premium
Adaptive radiation as evidence of divergent evolution, homology and new species (true/false)
Read past contest →
Sub-topic 16
2026 · National Preliminary
Premium
Lamarck and the theory of use and disuse
Read past contest →
Sub-topic 17
2024 · National Preliminary
Premium
Adaptive benefits of asymmetrical anatomical features in animals
Read past contest →
Sub-topic 18
2013 · National Preliminary
Premium
Bird feathers as modified reptilian scales (true/false)
Read past contest →
Sub-topic 19
2013 · National Quarterfinal
Premium
Analogous structures arising from convergent evolution
Read past contest →
Sub-topic 20
2013 · National Quarterfinal
Premium
Similar environments driving convergent evolution of analogous traits
Read past contest →
Sub-topic 21
2013 · National Quarterfinal
Premium
Derived characters as evolutionary innovations defining a clade
Read past contest →
Sub-topic 22
2013 · National Semifinal
Premium
Evolutionary trend ordering of algae, mosses and ferns
Read past contest →
Sub-topic 23
2013 · National Semifinal
Premium
Evolutionary trend ordering of mosses, club mosses and conifers
Read past contest →
Sub-topic 24
2013 · National Semifinal
Premium
Evolutionary trend ordering of conifers, cycads and flowering plants
Read past contest →
Sub-topic 25
2013 · National Semifinal
Premium
Analogous structures share function, not size (true/false)
Read past contest →
Sub-topic 26
2013 · National Semifinal
Premium
Analogous structures evolve independently, not from a shared ancestor (true/false)
Read past contest →
Sub-topic 27
2013 · National Semifinal
Premium
Analogous structures perform the same function (true/false)
Read past contest →
Sub-topic 28
2017 · National Semifinal
Premium
Why natural selection acts more intensely on prey than predators (survival stakes)
Read past contest →
Sub-topic 29
2017 · National Semifinal
Premium
Riddle: vestigial structures, homologous remnants explained by evolution
Read past contest →
Sub-topic 30
2018 · National Preliminary
Premium
Dna analysis and comparative anatomy, but not radiometric dating alone, placing a fossil in human phylogeny (true/false)
Read past contest →
Sub-topic 31
2019 · National Preliminary
Premium
Divergent evolution: a common ancestor's descendants growing dissimilar
Read past contest →
Sub-topic 32
2021 · National Preliminary
Premium
Adaptive radiation produces many species from one rapidly diversifying lineage
Read past contest →