Inhabitants of polluted water - 10 Slides

Both industrial and daily waste (from trash to organic waste) are collected in dumps or thrown in the rivers and the seas. The water we drink, we collect from the ground, from deep wells, which polluted matters should not reach, or from the rivers, after the appropriate purification. Unfortunately there is always the chance of contamination. This set shows a range of possible inhabitants of polluted water.

1. Spirillum bacteria of highly polluted water.
2. Sphaerotilus, bacteria from putrid water.
3. Wasserbluthe (Microcystis).
4. Clamydomonas, green alga.
5. Spirogyra, filamentous green alga.
6. Cladophora, branching green alga.
7. Rotifers (Rotatoria) from clear water.
8. Carchesium, bellshaped staked ciliate.
9. Diatoms mixed algae.
10. Water hyacinth, eichornia, rhizome t.s.