Results
Click a row for more details
Property | Organism | Value | Units | ID | Details |
---|---|---|---|---|---|
Approximate λmax of visual pigments, where known, in different butterfly species | Butterfly Lepidoptera spp. | Table - link | nm | 117174 | Frentiu FD, Briscoe AD.... |
Time of radiation across the North American continent from a European ancestor | Butterfly Limenitis spp. | during the past 3 - 4 | million years | 117176 | Frentiu FD, Briscoe AD.... |
Mass | Zebrafish Danio rerio | 0.18-0.73 | g | 102573 | Chizinski, C.J., Sharma... |
Global insect fauna | Biosphere | ~10^18 | animals | 116941 | Kevin J. Gaston & Tim... |
Density of compact bone | vertebrates | 2000 | kg/m^3 | 108642 | Brian Cotterell, Fracture... |
Ratio of density of cancellous bone to density of compact bone | vertebrates | 1/10 to 1/2 | unitless | 108643 | Brian Cotterell, Fracture... |
Bone mass as a fraction of the total body mass in marine mammals | Mammals | ~8% for smallest dolphin to 20% for blue whale | % | 108640 | Brian Cotterell, Fracture... |
Power law for bone mass of extant mammals | Mammals | m=0.061M^1.09 | kilogrammes | 108641 | Brian Cotterell, Fracture... |
Bone mass as a fraction of the total body mass in land mammals | Mammals | ~6% for smallest mammals to ~27% for elephants | % | 108636 | Brian Cotterell, Fracture... |
Bone mass as a fraction of the total body mass | Human Homo sapiens | ~12 | % | 108637 | Brian Cotterell, Fracture... |
Fraction of species threatened by extinction as of 2005 | Various | 1/3 of all amphibians: 1/5 of all mammals: 1/8 of all birds | N/A | 106613 | Food and agriculture... |
Body temperature | Mammals | 30-42 | °C | 100925 | Amazing numbers in biology... |
Number of mammals that have gone extinct during the sixth mass extinction that started in the Late Pleistocene | Biosphere | >300 | mammal species | 117255 | Davis M, Faurby S, Svenning... |
Minimum energy for vision | Unspecified | Table - link | N/A | 111991 | Hecht S, Shlaer S, Pirenne... |
Number of prokaryotes in animals | prokaryote | Table - link | N/A | 102367 | William B. Whitman,*†... |
Shortening of egg incubation period when developmental temperature is increased from 28˚C to 32˚C | Lizard Dipsosaurus dorsalis | 27 | days | 113180 | Farmer CG. Parental Care:... |
Pupation occurs sooner in caterpillars that are allowed to aggregate compared to isolated siblings by | Butterfly Small tortoiseshell Aglais urticae | 67 | hours | 113181 | Farmer CG. Parental Care:... |
Number of times viviparity evolved independently within squamate reptiles (lizards & snakes) | Reptiles | ~100 | times | 113182 | Farmer CG. Parental Care:... |
Presence of lamellar branching in corneal stroma compared to that of fish | Vertebrates | in amphibians 2 times that of fish: in birds >10 times that of fish | times of lamellar branching in fish | 117198 | Koudouna E et al., Evolution... |
Divergence rate for protein coding mitochondrial DNA | Human Homo sapiens | 0.32 - 2.5 | substitutions/site/Myr | 113218 | Peterson GI, Masel J.... |