Although Cyanobacteria contribute more than 35% of all photosynthesis on Earth, they are not visible in the natural environment

Indicate whether the statement is true or false.


Answer: FALSE

Biology & Microbiology

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There are bacteria that live on single-celled eukaryotes

A. true B. false

Biology & Microbiology

The primitive Earth's atmosphere did NOT contain

a. free oxygen. b. free nitrogen. c. free hydrogen. d. water vapor. e. inert gases.

Biology & Microbiology

The advantage to a species of using a pheromone for communication rather than calling or gesturing is that it _____

a. conveys more information b. is more easily understood c. is more energy efficient d. is more variable e. conveys immediate information

Biology & Microbiology

All genes are expressed in either the prenatal or newborn stages. Indicate whether the statement is true or false

Biology & Microbiology