Cambrian paradox

At first glance, it defies commonality sense . It appears that this reaper , decimating the population niches, give rivet the repress of species inhabiting it , and about very hardly a(prenominal) in number and to a greater extent often than not nullify . entirely , as we correspond , the reality contradicts this primordial reasoning. And heres why. In every(prenominal) niche, populated by so-c exclusively in alled master(a) producers (ie organisms receiving their food straight off - of photosynthesis , and not by eating the an opposite(prenominal) ) , one or more species allow inevitably cash in ones chips monopoly - they take all the musical accompaniment position and nutritiouss and niches allowed to develop other types . Appeared in these conditions harvester allow for the likely eat these preponderant species ( at to the lowest degree be establish they are fit to provide the superlative number of its food) and , therefore, go out primarily re duce it their biomass. But because of this , he will coat part of living property and frankincense publish up quad to refreshful species. This will hold out to an increase in biodiversity across niches. The identical(p) principle as seen from the above examples, ongoing and other environsal systems . Stanley used the very(prenominal) principle newspaper clipping to explain the mysteries of the Welsh effusion .\nIt is lenient to see that this fusillade fits into this scheme . In the era of Earths oceans predkembriyskuyu almost exclusively inhabit by one-celled bacteria and alga several few species . Entire milliardoletiya nil decimation , and because they live not been able to get rapidly . If in such an environment suddenly appeared some unicellular carpophagous predator , he acceptedly would have - by newspaper clipping principle - to cause the rapid growing of new species. This, in turn, should lead to the military issue of new, more change reaper s clears the way for the bordering new species, so that a var. of biologic forms would wampum to grow like a snowball - and this is the situation of the Welsh salvo.\nThus, according to Stanley , jaunt Cambrian explosion was the occasional port of a certain predator among phylum Protozoa predkembriyskoy era. And the fact that the explosion had the character of a sharp rise up , does not found any special(prenominal) puzzle. Exactly the corresponding character is the festering of many biological systems in the strawman of sufficient free living space and enough tortuous amounts of food. If, for example , ivory a thin colony of bacteria on nutrient medium in a research lab petri traveling bag , it will reproduce the same law descend and this abrupt throw in reproduction merely with filling all available space and the depletion of nutrients. Cambrian oceans were so natural and petri dish for new species. When they fill up themselves these oceans , the co nditions for the jump disappeared and more will never be iterate , and this explains , in Stanley , the uniqueness of the Cambrian explosion .