Indicate if each of the following statements is true (T) or false (F). Your answer would be a five-letter string composed of letters T and F only, e.g. FFTFF. ( ) Animals ultimately depend on bacteria for fixation of the atmospheric nitrogen. ( ) If one finds animals in an isolated ecosystem, there should be photosynthetic organisms in that ecosystem as well. ( ) Carbon fixation can be carried out by bacteria only. ( ) All eukaryotes are organotrophs. ( ) Compared to eukaryotic cells, prokaryotes show greater biochemical diversity.