Caffeine-producing plants use three different biochemical pathways and two different enzyme families to make the same molecule.
June 1, 2010|
There is growing concern about the loss of biodiversity worldwide, but scientists cannot measure how much an ecosystem has changed without good historical data. However, this data may be skewed, with certain time periods, species, or regions better represented than others. linkurl:Elizabeth Boakes,;http://www3.imperial.ac.uk/people/e.h.boakes an ecologist at Imperial College's Natural Environmental Research Council Centre for Population Biology in Berkshire, United Kingdom and her team looked f