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Property Organism Value Units ID Details
Percent of speciation events in ferns that involve polyploidization Plants 7 % 105423 Otto SP, Whitton J. Polyploid...
Percent of speciation events in angiosperms that involve polyploidization Plants 2-4 % 105421 Otto SP, Whitton J. Polyploid...
Most recent date of speciation of herring gull-species Birds <10,000 years ago 113001 Hebert PD, Stoeckle MY...
Estimated rates of plant extinction and speciation in the distant past (background), the recent past (Anthropocene), and the future (projected) Plants Table - link S/MSY (species per million species per year) 113398 Vellend M et al., Plant...
Life cycle length Magicicada cassini 17 years 101488 David C. Marshall, John...
Life cycle length Magicicada tredecassini 13 years 101490 David C. Marshall, John...
Time it would take the ~5,400 current mammal species to evolve enough new history to restore net phylogenetic diversity (PD) to preanthropogenic levels Biosphere ~500,000 years 117257 Davis M, Faurby S, Svenning...
Population splits and effective population sizes (Ne) during great ape evolution Apes Figure - link N/A 111515 Prado-Martinez J et al....
Diversification rates for selected taxa derived from different methods of analysis Eukaryotes Table - link species per million species years 112643 De Vos JM, Joppa LN,...
Number of plant species Plants ~350,000 (representing an estimated 80–90% of the global total) species 113395 Vellend M et al., Plant...
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 ...
Current (sixth, or anthropocene) extinction rates compared to natural background rates of extinction Biosphere current 1,000: future likely to be 10,000 times higher than background extinction rate 117272 Khan S et al., Overview...
Rate of nucleotide substitution Spumavirus simian foamy virus (SFV) 1.7E-08 substitution/site/year 112773 Duffy S, Shackelton LA...
Time of divergence between Saccharomyces cerevisiae and Candida albicans Yeast ~300 Mya 113382 Vlastaridis P et al....
The ‘Big Five’ mass extinction events Biosphere Table - link N/A 112753 Barnosky AD et al., Has...
Number of chromosomes in species Butterfly family lycaenid spp. in genus Agrodiaetus 10 - 134 chromosomes: majority of lycaenid butterflies 23/24 chromosomes 116988 Kandul NP, Lukhtanov VA...
Fraction of the four billion species estimated to have evolved on the Earth over the last 3.5 billion years that are extinct Biosphere ~99 % 112752 Barnosky AD et al., Has...
Number of K and Mg atoms per cell (each) Bacteria Escherichia coli 1e+8 atoms/cell 108824 Finney LA, O'Halloran...
Number of Cu, Mn, Mo and Se atoms per cell (each) Bacteria Escherichia coli 10000 (~10µM) atoms/cell 108826 Finney LA, O'Halloran...
Hybrids are reported in Plants ~40% of plant families: ~16% of plant genera % 113467 Yakimowski SB, Rieseberg...