Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Number of Cu, Mn, Mo and Se atoms per cell (each) | Bacteria Escherichia coli | 10000 (~10µM) | atoms/cell | 108826 | Finney LA, O'Halloran... |
| Number of genes shared between Ureaplasma urealyticum and Mycoplasma genitalium | bacteria | 324 | genes | 116959 | Peterson SN, Fraser CM.... |
| Fraction of bacterial-like mitochondrial proteins that are not endosymbiotic in origin | Mitochondria | ≤75 | % | 113208 | Emelyanov VV. Mitochondrial... |
| Thickness of shell beds (biogenic sediments) | Biosphere | paleozoic-a few centimeters to tens of centimeters: post-Paleozoic >1meter | N/A | 113321 | Smith et al., Body size... |
| Estimated number of marine species | Biosphere | primary source [9] 2.2±0.18: primary source [12] 0.7 - 1.0 | million species | 113445 | Pimm SL et al., The ... |
| Extinction rate | Birds | 132 | extinction/million species/year (E/MSY) | 113446 | Pimm SL et al., The ... |
| Diversification rate | Eukaryotes | plants 0.06: birds 0.15: various chordates 0.2: arthropods 0.17: mammals 0.07 | new species/species/million years | 113447 | Pimm SL et al., The ... |
| Proportion of species that hybridize | Metazoa animals | 1 - 10 | % | 113468 | Yakimowski SB, Rieseberg... |
| Fraction of plant species that hybridize | Plants | according to floristic surveys ~10: in a township in Massachusets ~3: in the British Isles ~25 | % | 113465 | Yakimowski SB, Rieseberg... |
| Overall frequency of plant species that hybridize | Plants | 0.09 | hybrid combinations per nonhybrid species | 113466 | Yakimowski SB, Rieseberg... |
| Hybrids are reported in | Plants | ~40% of plant families: ~16% of plant genera | % | 113467 | Yakimowski SB, Rieseberg... |
| Divergence of insects and Onychophora (and of the Hoxa9-13 genes) | Invertebrates | >500 | million years ago | 117009 | Carroll SB. Evo-devo... |
| Number of distinct genome duplication events early in vertebrate evolution | Vertebrates | 2 | genome duplication events | 116989 | Dehal P, Boore JL. Two... |
| Fraction of bivalves that went extinct during the end-Cretaceous event | Mollusk Bivalvia spp. | ~49 | % | 112754 | Barnosky AD et al., Has... |
| Fraction of all angiosperms (flowering plants) that are asterids and rosids | Plants | asterids 41% rosids 24 | % | 116900 | Arrivault S et al., ... |
| Standard screening threshold of sequence difference in cytochrome c oxidase I (COI) gene to define different species | Metazoa animals | 10 | × (times) average intraspecific difference | 113002 | Hebert PD, Stoeckle MY... |
| First appearance of beetles | Insect | ~285 | Mya | 113120 | Hunt T et al., A com... |
| Summary phylogeny (genealogical tree) of birds | Birds | Figure link | Mya | 113269 | Brusatte SL, O'Connor JK... |
| Extinction rates calculated by cohort analysis and fractions of species that are critically endangered (CR) | vertebrates | Table - link | N/A | 113448 | Pimm SL et al., The ... |
| Carriers in blood plasma | Unspecified | Table - link | N/A | 105405 | J.J.R. Fraústo da Silva... |