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Re: Bird Evolution
At 11:15 AM 4/12/98 -0700, Betty Cunningham wrote:
>wouldn't amber fossilisation tend to preserve a higher number of
>forest insects? I would think simply that a forest having a greater
>number of trees would increase the amount of insects being preserved
>in amber over other environmental areas. So we SHOULD have a pretty
>good representation of forest insects by this logic, right?
>
This is a possibility. Still, amber is a rather limited mode of
fossilization, as it generally only preserves quite small forms.
Also, how would the forest amber *itself* be preserved? It is a general
lack of upland forest *sediments* that leads to the fossil bias.
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