Back-knee

It's about two inches from the front teeth to the back

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Portunidae crab is its family (you can tell by the flattened back simming legs) probably the blue crab also known as Callinectes sapidus. You can easily search this name and find the family history, taxonomy etc

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... the cercariae we were looking for. The water did not have to contain anything special - just the change of water was enough. We would bring snails back from a lake in a bucket of lake water and then just drop the snails into vials containing tap water. Thanks ill look into this, do you know any ...

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... the cercariae we were looking for. The water did not have to contain anything special - just the change of water was enough. We would bring snails back from a lake in a bucket of lake water and then just drop the snails into vials containing tap water.

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... ability to think (Mutations are mistakes). For a good laugh email the loser who runs talk origins and ask him about abiogenesis. I am taking back biology for creation Well, this was more of a comment than an argument, but I'll explain why this doesn't falsify the theory of evolution. To falsify ...

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