11.   Red tide is so named for microscopic organisms that take advantage of warm water conditions and low water exchange rates in order to multiply and grow.

12.   Red tide, a reddish discoloration of sea waters caused by the presence of enormous numbers of microscopic organisms, kills fish and shellfish by releasing toxic products.

13.   So are allergens from dust mites, those microscopic organisms that thrive by feeding on our skin debris and spread allergens through their fecal matter.

14.   Small numbers of these microscopic organisms can make humans sick.

15.   The Archaea are microscopic organisms that look like ordinary bacteria, but their biochemistry and genetic makeup are different.

16.   The microscopic organism has attracted extensive media attention in the wake of outbreaks in two states.

17.   The microscopic organism that causes PAM enters the body through nasal passages and can quickly cause deadly swelling of the brain.

18.   The microscopic organisms attach to swimsuits and sting their hosts.

19.   The microscopic organisms they say they found never experienced life the way we do.

20.   The process produces an ostensibly harmless remnant of the microscopic organism.