from a mainstream paper: The re-evolution of a coiled shell, or any complex character, is considered unlikely or impossible (Dollo’s law) because the loss of…
Comments closed
Published 1st June 2020
Stuffhappens.info Posts
Published 20th April 2020
Surprising repeated devolution: Various species lineages lost teeth independently, despite crucial role of teeth in species survival
i will repeat myself yet again: it is not easy to understand how natural selection works … even the researcher below is quite surprised (these…
Comments closed
Published 23rd March 2020
Repeated evolution: Webbed foot evolved many times independently
The webbed foot is a specialized limb present in a variety of vertebrates that aids in locomotion. This adaptation is primarily found in semi-aquatic species, and has convergently…
Comments closed
Published 12th March 2020
Repeated evolution: Viral envelope has evolved several times independently
In sum, our extensive review has revealed a close association between cell walls and nonenveloped viruses that was not bound to particular types of host…
Comments closed
Published 17th February 2020
Repeated evolution: Warm blood evolved multiple times independently
Endothermy, i.e. the endogenous production of metabolic heat, has evolved multiple times among vertebrates, and several strategies of heat production have been studied extensively by…
Comments closed
Published 11th February 2020
Repeated evolution of compound eyes: one of two seemingly very unlikely evolutionary histories must be true
From PNAS.ORG: These results illustrate exactly why arthropod compound eye evolution has remained controversial, because one of two seemingly very unlikely evolutionary histories must be…
Comments closed
Published 3rd February 2020
Repeated evolution: The same retroviral gene coopted independently by unrelated species to aid reproduction
… in other words: a species gets infected by a virus, the virus inserts a part of its own viral-DNA into the species genome. Later…
Comments closed
Published 16th January 2020
Repeated evolution: Complex brains and high intelligence evolved many times independently
… yes, that miracle happened not once, but many times…independently … it seems that most miracles happen in biology … over and over again ……
Comments closed
Published 6th January 2020
Repeated evolution: A fish living on land is NOT an extraordinary thing but a common phenomenon
Get this: Fish have evolved the ability to live on land many times, challenging the perception that this extreme lifestyle shift was likely to have…
Comments closed
Published 21st August 2019
Repeated evolution: from egg laying to live-birth and then back to egg laying. Lizards re-evolved laying eggs multiple times
Stuff happens … over and over again … A family of lizards has achieved something very unexpected, evolving to give birth to live young, before going…
Comments closed