An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water
apple juice, or milk. Each plant has the same amount of soil, sunlight, and
listens to the same music. In this investigation, what is the dependent
variable? *

increases the risk of extinction 

explanation:

the answer is that if the species suffers from the disease, there is nothing stronger than the others, so it is possible to remove wholeness. an example of this is hunger in irish potatoes, which has a deadly disease bearish part of all potato harvest masses. pretty much ruins the land of crops.