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Property Organism Value Units ID Details
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 oceanic invertebrates biomass Invertebrates 300 to 500 Table - link Mt C 109626 Vaclav Smil, The Earth's...
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...
Mean 3' UTR length Invertebrates 280 bp 103821 Mazumder B, Seshadri V...
Divergence of insects and Onychophora (and of the Hoxa9-13 genes) Invertebrates >500 million years ago 117009 Carroll SB. Evo-devo...
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...
Number of genes in the innexins (invertebrate analogs of the connexins) family Nematode Caenorhabditis elegans 25 innexin genes 117152 Simonsen KT, Moerman DG...
Length of the two extracellular loops of connexins and innexins (invertebrate analogs of the connexins) family Metazoa animals in innexins ~50: in connexins ~30 amino acids 117153 Simonsen KT, Moerman DG...
Annual amount of chitin produced by crustaceans, mollusks, insects, and fungi Biosphere ~10^11 tonnes chitin/year 115064 Tharanathan RN, Kittur...
Estimates of the biosphere's land wild vertebrates biomass vertebrates <5 Table - link Mt C 109622 Vaclav Smil, The Earth's...
Intracellular potassium concentration Generic 120-150 mOs 102418 Schmidt-Nielsen B. C...
Number of animals in which the ability to walk on water has independently evolved Metazoa animals >1200 species 116189 Mammola S, Michalik P...
Size range (for information on largest sponge see Comments section) Sponges phylum Porifera a few millimeters to nearly 2 meters N/A 113276 Hentschel, U., Usher...
Estimated number of species in different phyla Biosphere Table - link N/A 102525 Lecointre, G. and H....
Mass-specific metabolic rates q across life Biosphere Table - link W/kg 107981 Makarieva AM, Gorshkov VG...
Estimates of the biosphere's whale biomass Mammals 5 to 15 Table - link Mt C 109628 Vaclav Smil, The Earth's...
Estimates of the biosphere's heterotrophic biomass Biosphere Table - link Mt C 109600 Vaclav Smil, The Earth's...