Answer:
Ecological succession
Explanation:
This is the process that describes how the structure of a biological community changes over time. This is an interacting group of various species in a desert, forest, marine environment, etc.
They decrease because the zebra mussel were taking their resources. Leaving them nothing to eat.
Geothermal power plants generate the least amount of pollution.
Cellular Resperation = C6H12O6 + 6O2 → 6CO2 + 6H2O.
Photosynthesis: 6CO2 + 6H2O → C6H12O6+ 6O
Guess it would be B. Is my answer