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Property Organism Value Units ID Details
Distribution of pancreatic RNase in vertebrates Vertebrates Table - link N/A 102488 Neil V. Ross. 2006 'Geometric...
Types of Calcium channels in vertebrates Vertebrates Table - link N/A 106546 Hille B., Ion channels...
The erythrocyte sizes in various vertebrates Vertebrates Table - link µm 117074 Arikan, Hüseyin, Çiçek...
Estimates of the biosphere's domesticated vertebrates biomass vertebrates 100 to 120 Table - link Mt C 109624 Vaclav Smil, The Earth's...
Number of homeobox genes in most vertebrates Vertebrates ~250 homeobox genes 116965 Bürglin TR, Affolter...
Estimates of the biosphere's land wild vertebrates biomass vertebrates <5 Table - link Mt C 109622 Vaclav Smil, The Earth's...
Number and size of red blood cells in selected vertebrates vertebrates Table - link N/A 109097 Amazing numbers in biology...
Ranges of nuclear volumes and DNA contents within the major classes of vertebrates vertebrates Table - link N/A 107794 Conger AD, Clinton JH....
Number of humoral and cell membrane proteins that are involved in the complement system in higher vertebrates Vertebrates >30 proteins 117099 Pinto MR, Melillo D,...
Time of transposition event that gave rise to the predecessors of the rearranging antigen-binding receptors of the jawed vertebrates Vertebrates >500 Million years ago 117054 Litman GW, Cannon JP...
Percentage of decreasing species classified by IUCN (International Union for Conservation of Nature) as "endangered" or "low concern" in terrestrial vertebrates Vertebrates Table - link % 117266 Ceballos G, Ehrlich PR...
Olfactory thresholds in vertebrates and insects Eukaryotes Table - link N/A 109134 Boeckh J, Kaissling KE...
Time when fundamental step toward the adaptation of the integument to the terrestrial environment was made by basal amniotes vertebrates ~340 Mya 113167 Alibardi L. Adaptation...
Axon diameter in both vertebrates and invertebrates Various 0.5 to 30 μm 108980 Zalc B, Goujet D, Colman...
Number of vertebras in tetrapods Vertebrates Table - link N/A 102471 George C. Kent 1973 ...
Fraction of surface area of neuron that is covered by synapses vertebrates <10 % 115052 Krnjević, K. "Chemical...
Action potential speed in myelinated axon vertebrates 50 to 100 m/sec 108982 Zalc B, Goujet D, Colman...
Estimated ancestral selenoproteome size and atmospheric O2 concentration during vertebrate evolution Vertebrates Table - link N/A 104533 Castellano S et al Low...
Sketches of red blood cells taken from various vertebrate species vertebrates Figure link - link N/A 108664 Goehring NW, Hyman AA....
Ratio of longer peak-absorption wavelengths and the critical wavelength (λmax/λc) Vertebrates 0.837 (±0.007) Unitless 106796 Luo DG, Yue WW, Ala-Laurila P...