We had the annual “looking at muck down a microscope” practical last week. As usual, the best thing we saw was a ciliate in some pond water, in this case a little trumpet animalcule:
![Stentor sp. [CC-BY-SA-3.0 Steve Cook]](http://www.polypompholyx.com/wp-content/uploads/2014/12/Stentor_sp.-244x300.jpg)
Stentor sp. The green bits are either symbiotic algae, or dinner, possibly a bit of both.
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