Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Estimated total number of species of organisms | Biosphere | 1e+7 | Species | 107480 | Editor: Dr. Robert A. Meyers... |
| Number of eggs laid per spawning | African clawed frog Xenopus laevis | 300 to 1,000 Table - link | eggs | 100502 | Hirsch et al. Xenopus... |
| Generation time | African clawed frog Xenopus laevis | 8 to 12 Table - link | months | 100505 | Hirsch et al. Xenopus... |
| Comparison of the chemoreceptor superfamilies of various insects | Various | Table - link | N/A | 102678 | Tribolium Genome Sequencing... |
| Elemental composition of Chlorella and Euglena and the concentration of available sources of the elements in freshwater | Various | Table - link | N/A | 106372 | Raven JA (1984) ‘Energetics... |
| Diameter of a typical mammalian nucleus | Mammals | 5 - 10 | μm | 109953 | Li GW, Xie XS. Central... |
| Fraction of known animal species that are beetles | Biosphere | nearly 25 | % of all described species | 113119 | Hunt T et al., A com... |
| Number of identified bacterial phyla in the human skin | Human Homo sapiens | 19 | Unitless | 107943 | Grice EA et al., Top... |
| Number of bacterial species in colon | Mammals | >400 | species | 112893 | Macpherson AJ, Harris... |
| Number of species that have been described as of 2015 | Protists | >100,000 | species | 114593 | Soyer-Gobillard MO, Dolan... |
| Number of Ebola virus species | Ebola virus | 5 | species | 111116 | Radzimanowski J, Effantin G... |
| Number of extant species | Crustacea | >52,000 | species | 117178 | Thomas W. Cronin & Megan... |
| Average number of species per genera | Mammals | 4.4 | species/genus | 112642 | De Vos JM, Joppa LN,... |
| Number of different venom components every Conus species has | Predatory cone snail Conus spp. | ~100 | different venom components | 115225 | Singer HM et al., Selective... |
| Reported number of yeast species as of 1998 | Yeast | >700 (belonging to 100 genera) | species | 111636 | Fonseca G. G., Gombert A. K.... |
| Number of species of conifers | Plants | ~630 species: representing ~70 currently recognized genera | N/A | 113644 | Nystedt B et al., The... |
| Number of species of fish-, mollusk-, and worm-hunting cone snails of the Conus species | Predatory cone snail Conus spp. | >500 | Conus species | 115224 | Singer HM et al., Selective... |
| Ratio of indel/substitution mutations in mitochondrion | Various | 0.58-0.62 | Unitless | 103519 | Lynch M, Sung W, Morris K... |
| Estimated number of beetle species that are hosted by one species of tropical tree | Biosphere | 160 | Species | 103930 | May RM. How Many Species... |
| Volume of mammalian cell nucleus is larger than yeast nucleus or bacterial cell | Various | ~1,000 | fold | 114126 | Bell JC, Kowalczykowski... |