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Leaf study

am February 10, 2018

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by Pit Gutzmann

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Flower development

To observe the gradual development of a flower is a nice project to understand how things become what they are. Flowers are especially intriguing. They start from a tiny bud. The bud increases in size and then opens up. As the petals unfold, they grow, change their shape, and finally turn into a beautiful flower. by Atlant Bieri

Bunkers for wasps

In spring and early summer you find lots of strange looking objects on the leaves of many trees. They are galls of so called gall wasps. The wasps lay an egg onto a leaf. The egg induces the growth of the gall. How it does this, is unkown to science. The gall serves as a tiny bunker for the developing larvae. Here, I've cut one open with a pocket knife and measured its dimensions. By Atlant Bieri

Caterpillar turns into pupa

by Atlant Bieri

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Leaf study

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