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Talk:Counterexamples to Evolution (view source)
Revision as of 22:05, September 22, 2011
, 22:05, September 22, 2011→Trilobites and Evolution
:Isn't the DEFINITION of an arthropod an invertebrate with a segmented body, jointed legs and an exoskeleton? --[[User:SamCoulter|SamCoulter]] 13:44, 22 September 2011 (EDT)
:Isn't the DEFINITION of an arthropod an invertebrate with a segmented body, jointed legs and an exoskeleton? --[[User:SamCoulter|SamCoulter]] 13:44, 22 September 2011 (EDT)
::Nope, it is just the definition of modern arthropods. It is entirely possible that the ancestor of the trilobite had a much softer exoskeleton, limiting its ecological success. Whether or not it was an arthropod is literally a matter of semantics, not a matter of biology.
== Chimpanzees and Gorillas ==
== Chimpanzees and Gorillas ==