1. what is the adaptive advantage of having the system to propel sporangia as seen in pilobolus?
2.how many bacterial cells are necessary to start a colony?
3.how many bacteria will be produced from single bacterium in a day?
4. in blue green algae (gloeocapsa), what hols the colony together?
5.in what ways do blue green algae resemble bacteria? what are significant differences?
6. what criterion can you use to decide if an organism form true colonies?
7. does the fact that sexual recombiantion has not been found in the cyanophyta mean that these organism lack sex?