996 past contests
Topic 46 · The hypothalamus's role in the limbic system's emotion/memory circuitry (true/false)
Topic 3 · Carnivores have a shorter alimentary canal than herbivores (true/false)
Topic 42 · Reducing carrying capacity as the best way to control an undesirable species' population
Topic 3 · Rumen microorganisms producing cellulase to digest cellulose for ruminants
Topic 12 · Seasonal/resource limitations restricting some organisms to once-yearly reproduction
Topic 28 · Riddle: bracket fungi (shelf fungi) of the basidiomycota
Topic 53 · Phenotype does not fully determine genotype (true/false)
Topic 53 · Different genotype combinations can give the same phenotype (true/false)
Topic 53 · The dominant, not recessive, allele masks its counterpart (true/false)
Topic 28 · Most fungi are multicellular, not unicellular (true/false)
Topic 3 · Fungi carry out extracellular digestion before absorption (true/false)
Topic 9 · Osteoarthritis: deterioration of a joint over time
Topic 47 · The fovea: retinal region with the highest cone density
Topic 47 · Statocysts as invertebrate gravitational-balance organs
Topic 18 · Biological significance of ice being less dense than liquid water
Topic 18 · Biological significance of water's high heat of fusion
Topic 18 · Biological significance of water's high surface tension
Topic 49 · Homeostasis: maintenance of stable internal conditions
Topic 12 · Adaptation: modifications suiting an organism to its way of life
Topic 12 · The biosphere: the region of earth where organisms exist