Answer:
commensalism
an association between organisms in which one benefits and the other derives nor harm
Answer:
C
Explanation:
because a vestigal organ is one that serves no relevant purpose and we do not need any of the following options except for the liver.
Only shows external structure and low power
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.