The first is D and the second is B
Answer:
attenuation
Explanation:
Based on the scenario being described within the question it can be said that the form of regulation that is being described is known as attenuation. In the context of genetics, this is a specific mechanism that provides control in various bacterial operons that result in term results in premature termination of the transcription.
Trophic level 3 represents the secondary consumers
Trophic level 4 represents the Tertiary consumer
denitrification
Explanation:
Thiobacillus denitrificans are denitrifying bacteria
