an algal bloom causes an increase of bacteria in an environment
spirilla_bacterium is bacterium. zoogloea is bacteria. thermus_aquaticus is bacteria. bacterial_spore is bacterium. spore_forming_bacterium is bacterium. red_tide is algal_bloom. bacterial_spore_germination is development. bacteremia is bacterial_infection. swarming_bacterium is bacterium. legionella is bacteria.