ان الحشرات ليست مجرد افات مزعجة بل لها أدوار مهمة فى الحياة كتلقيح المحاصيل و اعادة تدوير المواد العضوية و هى من المفصليات و يعرف منها ما يقرب من مليون نوع و تعانى كالعادة من نفس المشكلة "لا...
The creature, belonging to a poorly understood group of early animals, is also a prime example of the broad variety of form and function seen in the early evolutionary history of a modern group of animals that, today, are rather homogenous...Modern velvet worms are all pretty similar in terms of their general body organisation and not that exciting...
"evolutionary stasis, though recognized by all and used by stratigraphers in the practical work of our profession, was ignored by evolutionists as “no data.”...Trueman rejoiced in Gryphaea(1922) but never mentioned the hundreds of Liassic species that show no temporal change. Rowe (1899) monographed...