Results
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| Property | Organism | Value | Units | ID | Details |
|---|---|---|---|---|---|
| Sponges arised (in evolution) at least as early as | Sponges phylum Porifera | 600 | Mya | 113285 | Taylor MW, Radax R, Steger D... |
| Number of formally described sponge species | Sponges phylum Porifera | 6000 | formally described species | 113275 | Hentschel, U., Usher... |
| Fraction of sponges within a community in which the presence of photosynthetic symbionts can occur | Sponges phylum Porifera | ≤85 | % | 114511 | Blackall LL, Wilson B... |
| Number of body volumes that sponge can filter | Sponges phylum Porifera | ≤50,000 | sponge body volumes/24 hours | 113270 | Keren R, Lavy A, Mayzel B... |
| 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... |
| Amount of water pumped through a 1-kg sponge in a single day | Sponges phylum Porifera | ≤24,000 | liters/day | 113284 | Taylor MW, Radax R, Steger D... |
| Fraction of bacterial cells removed from the inhalant seawater by the filtering activities of the sponge | Sponges phylum Porifera | ≤96 | % | 113287 | Taylor MW, Radax R, Steger D... |
| Number of choanocyte chambers in sponge tissue and number of choanocytes per chamber | Sponges phylum Porifera | choanocyte chambers ~10^7/cm^3: choanocytes per choanocyte chamber ≤150 | N/A | 113288 | Taylor MW, Radax R, Steger D... |
| Concentration of bacteria | Sponges phylum Porifera | bacteriosponges 10^8-10^10: low-microbial-abundance sponges (as natural sea water) 10^5-10^6 | bacteria/gram of sponge wet weight | 113277 | Hentschel, U., Usher... |
| Concentration of bacteria | Sponges phylum Porifera | ≤10^10 | bacteria/ml sponge volume | 113272 | Keren R, Lavy A, Mayzel B... |
| Estimated sulfate reduction rate | Cold-water sponge Geodia barretti | ≤1,200 | nmol [SO4]2-/cm^3 sponge/day | 113286 | Taylor MW, Radax R, Steger D... |
| Concentration of arsenic and barium | Sponge Theonella swinhoei | arsenic 8,500: barium >10,000 | mg/kg dry weight | 113273 | Keren R, Lavy A, Mayzel B... |
| Fraction of viral particles removed from seawater | Red Sea sponge Negombata magnifica | 23 | % | 113290 | Taylor MW, Radax R, Steger D... |
| 16S rRNA gene sequences derived from marine sponges compared with those from marine bacterioplankton | Various | Figure - link | % | 113280 | Hentschel, U., Usher... |
| First appearance of fossils of simple, horizontal burrows made by animals | Biosphere | ~555 | Mya | 113586 | Olivia P. Judson, The... |
| Fraction of body volume occupied by bacteria | Sponge Theonella swinhoei | ≤40 | % of body volume | 113271 | Keren R, Lavy A, Mayzel B... |
| Number of species that have been described as of 2015 | Protists | >100,000 | species | 114593 | Soyer-Gobillard MO, Dolan... |
| Concentration of viruses in seawater | Virus | 10^6-10^8 | viral particles/ml | 113291 | Taylor MW, Radax R, Steger D... |
| Summary of comparative diversity among animal taxa at various levels | Coral | Table - link | N/A | 114520 | Blackall LL, Wilson B... |
| Number of genera in bacterial phylum | bacteria | Firmicutes ≥250: Bacteroidetes >20 | Genera | 109666 | Zhang H et al., Human... |