Bacteria demonstrate several types of taxis. Furthermore different bacteria see different colored lights . In the case of chemotaxis, the bacteria have the equivalent of a NOSE in that they smell chemicals, identify them and then make a decision as to move away or towards them. Spores from woodland pond. They are able to survive boiling in water at 100 o C for long periods.
Spores are resistant to UV-light, to drying and many harmful chemicals.
We know spores can live for 100s of yr. and recently spores several million yr. Some disease organisms like anthrax and botulism form spores that reside in the soil. The size, shape, and location of a spore in the cell are all identifying genetic characteristics. For example, in fig. Based on the descriptions shown in Fig. 12, describe the spore in Fig.