Evolution of Bivalves

[Faisal Pervaiz]

Did Bivalves evolve as present day bivalves have differences such as they have siphons which bring in frsh water and removes waster water, in a book i read it said that they evolved to adapt to different enviornments, is this true, and is this evolution?

Salaams

[Woodrow]

:sl:

Evolution is probably the most misunderstood of concepts. Yes, animals do change with environment as the result of selective adaptation.

The word evolution does not automatically mean it is not he work of Allaah(swt) or that a new animal has been formed.

An Elephant is still an elephant if it is the ancient long haired ancester that lived in the Arctic regions or if it is the nearly hairless elephant of today that adapted to the tropics.

The same goes for bivalves. A clam is still a clam if it is the ancient one that lived in clean waters or if it is the clam of today living in polluted waters and only the ones with modified siphons can survive.

There does not seem to be anything in the Qur'an or Ahadith that contradicts evolution unless somebody attempts to apply it to humans or tries to deny it as being the work of Allaah(swt)

Too many people jump to wrong conclusions when the word evolution is mentioned.

[Chuck]

Did Bivalves evolve as present day bivalves have differences such as they have siphons which bring in frsh water and removes waster water, in a book i read it said that they evolved to adapt to different enviornments, is this true, and is this evolution?

Salaams

I don't really understand what you are asking here. But I'll try to put it in a nutshell: evolution is basically, imo, (1) how variations in organisms arise (2) survival of different organisms over another and how one replaces other over a number of factors which include characteristics of organisms and environmental changes which might favor one characteristic over other.

[- Qatada -]

:salamext:


click this link;

http://www.harunyahya.com/books/darw...reation_05.php


press ctrl and F and type bivalves, and then click 'next' or 'find'. you'll find info on it.

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[Chuck]

:salamext:


click this link;

http://www.harunyahya.com/books/darw...reation_05.php


press ctrl and F and type bivalves, and then click 'next' or 'find'. you'll find info on it.

I would recommend "What was the origin of man" Dr Bucaille http://www.witness-pioneer.org/vil/B...OM/default.htm

He talks great deal about evolution and why opposition to happened to evolution in Christian west. And it is much better source than Harun Yahya's writings for understanding evolution.

[Gator]

Don't know if this helps but -

During the early Paleozoic, epifaunal and primitive infaunal siphonate suspension feeding was the most common bivalve life mode. Infaunal siphon feeders appeared in the middle and late Paleozoic, but they gained prominence after the Permo-Triassic extinctions. The infaunal and epifaunal forms increased in diversity throughout the Mesozoic until the Cretaceous-Tertiary extinction event, when the epifaunal suspension feeders were decimated. During the Cenozoic, the infaunal siphonate clams continued to diversify. The labial palp deposit feeders and the mucus-tube builders evolved early in the Paleozoic and remained relatively unaffected by the extinctions and diversifications of the remainder of the class.

Clarkson, ENK (1993) Invertebrate Palaeontology and Evolution [4th ed.]. Chapman and Hall, 434 pp.

[Faisal Pervaiz]

Thanks for your answers, Jazakallah, but what about graptolites?

[Faisal Pervaiz]

Thanks for your answers, Jazakallah, but what about graptolites?

bump!, what about graptolites evolution?