Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Estimates of the biosphere's oceanic invertebrates biomass | Invertebrates | 300 to 500 Table - link | Mt C | 109626 | Vaclav Smil, The Earth's... |
| Size of large marine invertebrates | Invertebrates | sponge Xestospongia muta >7m^3: tube worm Riftia pachyptila >3m: jellyfish Nemopilema nomurai >3m | N/A | 113317 | Smith et al., Body size... |
| Estimates of the biosphere's land invertebrates biomass | Invertebrates | 400 to 1,000 Table - link | Mt C | 109621 | Vaclav Smil, The Earth's... |
| Fraction of 3,623 terrestrial invertebrate species and of 1,306 marine invertebrate species that are classified as threatened with extinction | Invertebrates | terrestrial species 42%: marine species 25% | % | 117264 | Ceballos G, Ehrlich PR... |
| Divergence of insects and Onychophora (and of the Hoxa9-13 genes) | Invertebrates | >500 | million years ago | 117009 | Carroll SB. Evo-devo... |
| Mean 3' UTR length | Invertebrates | 280 | bp | 103821 | Mazumder B, Seshadri V... |
| Number of described species | Invertebrates | ~1.4 | million species | 117270 | Régnier C et al., Mass... |
| Axon diameter in both vertebrates and invertebrates | Various | 0.5 to 30 | μm | 108980 | Zalc B, Goujet D, Colman... |
| Number of protons that are required by the F-ATPase to make each ATP molecule in vertebrates and invertebrates (equivalent to 8 protons translocated each rotation) | Eukaryotes | 2.7 | unitless | 105661 | Watt IN, Montgomery MG... |
| Intracellular potassium concentration | Generic | 120-150 | mOs | 102418 | Schmidt-Nielsen B. C... |
| Mean 5 prime-UTR length in mRNA transcripts | Human Homo sapiens | 150 | nt | 102575 | Mazumder B, Seshadri V... |
| Mass-specific metabolic rates q across life | Biosphere | Table - link | W/kg | 107981 | Makarieva AM, Gorshkov VG... |
| Chitin content of selected crustacean, insects, molluscan organs, and fungi | Various | Table - link | % | 115475 | Tharanathan RN, Kittur... |
| Mean 3 prime-UTR length in mRNA transcripts | Human Homo sapiens | >=500 | nt | 102574 | Mazumder B, Seshadri V... |
| Velocity of conduction of nerve impulses | Various | Table - link | N/A | 108973 | Bullock TH, Horridge... |
| Typical effective population size | Eukaryotes | unicellular eukaryotes <10^8, sometimes 10^6: invertebrates ~10^6: some vertebrates 10^4 | individuals | 112122 | Michael Lynch and Georgi... |
| Fraction of total organic matter that is chitinous structures | Arthropods | ≤85 | % | 115063 | Tharanathan RN, Kittur... |
| Number of animals in which the ability to walk on water has independently evolved | Metazoa animals | >1200 | species | 116189 | Mammola S, Michalik P... |
| Velocity of action potential in giant fiber | Cockroach Periplaneta | 9 to 12 | m/s | 108972 | Bullock TH, Horridge... |
| Number of neurons in the central nervous system of small free-living metazoans such as rotifers and nematodes | Eukaryotes | <300 | neurons | 109130 | Williams RW, Herrup K.... |