Counting chambers are used for estimating the number of cells present in a liquid culture
Indicate whether the statement is true or false.
Answer: TRUE
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Dimorphic fungi
A. may grow as mycelia or yeast. B. are often associated with disease in humans. C. are mushrooms. D. are strictly hyphae. E. may grow as mycelia or yeast AND are often associated with disease in humans.
Today, evolutionary biologists view speciation as a ____, and instead study the ____ of speciation using classical and genomic approaches.
a. single event; products b. process; products c. product; process d. product; events e. single event; process
Which is a byproduct of photosynthesis?
a. water b. light c. glucose d. oxygen e. carbon dioxide
Which statement about biomass is FALSE?
a. Biomass reduction from one trophic level to the next is approximately 50%. b. Biomass reduction from one trophic level to the next varies widely in nature. c. Biomass reduction can be measured as dry weight. d. Biomass may be measured as live weight. e. Biomass in an ecosystem can be illustrated using a pyramidal-shaped graph.