996 past contests
Topic 20 · Riddle: myoglobin in muscle tissue
Topic 7 · Lenticels in the periderm allow gas exchange (true/false)
Topic 32 · Scientific names are unique to a single species (true/false)
Topic 7 · Periderm is an outer, not innermost, plant tissue (true/false)
Topic 32 · Taxonomy classifies organisms; phylogeny describes evolutionary history (true/false)
Topic 32 · Scientific (binomial) names are latin/latinized, not english (true/false)
Topic 11 · Analogous structures arising from convergent evolution
Topic 11 · Derived characters as evolutionary innovations defining a clade
Topic 11 · Similar environments driving convergent evolution of analogous traits
Topic 53 · Number of phenotypes from a heterozygous x homozygous recessive cross
Topic 53 · Genotypic ratio from a heterozygous x homozygous recessive cross
Topic 53 · Phenotype probability from a homozygous dominant x homozygous recessive cross
Topic 5 · Fermentation as anaerobic breakdown of organic compounds
Topic 5 · Aerobic respiration following glycolysis maximizes atp yield
Topic 5 · Products of the light reaction needed by the calvin cycle (dark reaction)
Topic 21 · The radula as a feeding structure in molluscs
Topic 29 · Annelids as segmented worms
Topic 9 · The vertebral column as an example of human body segmentation
Topic 7 · Monocot flower parts occur in threes, not fours (true/false)
Topic 7 · Vascular and cork cambium are absent in monocots (true/false)