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Petri dishes are inoculated with fungi using the same methods/procedures as those used for bacteria. 

When growth in a tube is seen only on the upper layer of broth, this indicates the bacteria is 

Urea test contains phenol red as a pH indicator. A positive test will appear what color?

(01.03 HC) Use the figure below to review the reactants and products of photosynthesis and respiration. With respect to carbon dioxide and oxygen concentrations, what trends would you expect to see in the epipelagic vs. the mesopelagic zones? Why? (3 points) © 2016 CC-BY

The most probable number procedure for testing water is an example of a 

(03.02 HC) Scientists wanted to cultivate fish in a closed system. What features should be included to ensure a closed system? (3 points)

What is broad-spectrum antibiotic vs. a narrow-spectrum antibiotic? 

(01.04 LC) You are recording the amount of heat that water can absorb before a temperature increase. What are you measuring? (3 points)

Disinfectants are used where? 

(03.03 LC) Observe the following diagram. If the speed of the wave stays the same and the period decreases, what wave property would also decrease? (3 points) © 2016 NOAA