Answer : True
Enrichment cultures are used to increase a small number of desired organisms
If a bacterium cannot use citrate agar will not change its color (stays green). On the other hand, if bacteria have the ability to use citrate, the medium will change its color from green to blue.
This happens because citrate agar contains pH indicator such as bromothymol blue which transforms from green to blue in alkaline conditions.
Hyppocamus is the eternal body thermostat. If the hyppocamus is removed it would cause a major effect on homeostais.
Answer:
Approx. 35%
Explanation:
Inside the Amazonian forest, over 3,000 indigenous domains have been established. 35 percent of the Amazon forest reflects these regions. 49.4 % of the ecosystem seems to be under form of control and conservation when nature reserves are applied to this figure.