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Description
So - something fishy... In school we had to take turns in certain subjects to prepare a short lecture. This Biology class lecture was done at age 14 or 15. Topic was the diffrent type of fish and bodies of water as well as the Euthrophie - the increese of fertiliser/ pollution and the groth of more waterplants. Oh and foodchains.
Since this was pre computer and internet age, I needed 4-6 houres for this worksheet, which I did in one go. I had a lot of references - mainly from books about fishing but I had to redraw them in the same size and style plus add the caligraphic descriptions.
Sorry - the content is in German only.

Description
So - something fishy... In school we had to take turns in certain subjects to prepare a short lecture. This Biology class lecture was done at age 14 or 15. Topic was the diffrent type of fish and bodies of water as well as the Euthrophie - the increese of fertiliser/ pollution and the groth of more waterplants. Oh and foodchains.
Since this was pre computer and internet age, I needed 4-6 houres for this worksheet, which I did in one go. I had a lot of references - mainly from books about fishing but I had to redraw them in the same size and style plus add the caligraphic descriptions.
Sorry - the content is in German only.