A robot unloads a finished component from a machine and places it on a gravity convetor, the component accelerates from rest until it reaches the bottom of the conveyor 4.5 seconds later,the component is travelling at a velocity of 1.35m/s when it reaches the bottom of the conveyor where it […]

1. You are studying 2 wetlands in eastern Ohio – one that has become highly invaded by purple loosestrife (Lythrum salicaria). These wetlands typically contain over 100 species, but in an amazing coincidence, both your sites only have 6 total species:Species Site 1 # of Individuals site 2 of IndividualsCarex / Site […]

1.Why is biogenesis important for the germ theory of disease? Are they mutually exclusive or highly dependent on each other?Who first suggested that the use of aseptic techniques would have a profound effect on the contraction of human diseases? In your answer, be sure to describe this effect. Find at […]

Discussion Topic Natural Selection A novel fungicide is introduced and widely applied to cereal crops. After five years, resistant genotypes of the fungal pathogen are detected at a frequency of about 1%; resistance is widely distributed across the pathogen’s range. Within two years, these have become so common that the […]