host plant's quality in the food chain of a herbivorous insect influences the insect's life performance, and thus abundance in its population. the effect of different ratios of n: k fertilization (40:60), (40:40), (40:0) kg/ha vs. control (0:0) were determined on chemical content parameters (n, k and c %) of the bean plant and as well on the performance of aphis fabae scop. experiment...

background: orthodontic therapy has oral ecological changes causing increased numbers of mutans streptococci in saliva and plaque. the purpose of this study was to estimate counts and colonization pattern of streptococcus mutans after application of fixed orthodontic appliances. materials and methods: plaque samples of randomly selected sixty patients were collected before placement of orthodon...

Consider reading the following: "After lengthy study, no statistically significant differences were found between male and female subjects, however, the trend shows ...’" or "Variables 1 and 2 were significantly different at the 0.01 level, but variables 3 and 4 were different at only the 0.05 level; however, variables 5 and 6 were different at the 0.001 level." Such statements indicate a basic...