On tonightâs episode, the Vikings, in the Season 3 finale, Viking troops make one more daring effort to take Paris, and Ragnar [ Travis Fimmel] requests a favor of Bjorn.onightâs episode looks like it is going to be great and you wonât want to miss it, so be sure to tune in for our live coverage of The History Channel âVikingsâ at 10:00 PM EST! While you wait for our recap hit the comments and let us know how excited you are for the season 3 finale of Vikings tonight.
Density Dependent Limiting Factors. The density dependent factors are factors whose effects on the size or growth of the population vary with the population density. There are many types of density dependent limiting factors such as; availability of food, predation, disease, and migration. However the main factor is the availability of food.
Procedure. 1. The independent variables in this science fair project are the temperature and species of bacteria-E Coli, Streptococcus or Bacillus. The dependent variable is the size of bacteria growth after five days, which is determined by measuring the size of bacterial growth with a ruler.bservation. Bacteria that were exposed to temperatures of 60 degrees Celsius and 100 degrees Celsius were observed not to have any growth when transferred to the Petri dishes, whereas bacteria exposed to -78 degrees Celsius and 0 degrees Celsius were observed to have a significant amount of growth.