Thursday, June 20, 2019

Ordovician Mass Destinction Essay Example | Topics and Well Written Essays - 2000 words

Ordovician Mass Destinction - Essay ExampleThis snip finale was witness to a number of conditions and events which were responsible for giving rise to a number of bioevents during this time. Ordovician time period is characterized by rapid replacement of the Cambrian fauna with the Paleozoic fauna (Barnes et al ,pg 140). The biota during this period was modifying itself and adapting to the changing physical and chemical changes in the oceans.Most of the life forms of this period that adapted and existed successfully were the ones that were most severely affected by this extinguishing event. Almost 26% of all marine families and closely 85% of all genera went extinct.Today, there is a big scientific debate about how mans activities is leading us towards the 6th mass extinction .Anthropogenic activities defend affected the Earth and all living beings adversely such that the current rate of species extinction is much higher than the background extinction rate. fundamental interacti on between environmental and ecological factors has contributed significantly to the extinction event. One of the major culprits that contribute towards this is global change in climate while others include habitat destruction, pollution etc. But if we take the Ordovician mass Extinction into account we will see that it occurred not due to anthropogenic activities but by dispositions own course. This vindicates the fact that even Nature plays a pivotal role in destruction and extinction.Climate change and habitat destruction occurred during the Ordovician-Silurian period which vastly affected the marine species and led to their extinction. After this most of these extinct species could not recover from the effects and hence led to permanent loss investigate has tried to pinpoint the exact events that led to mass destruction of most marine life forms during this event however a few possible explanations have surfed even though the

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.