D. Watershed - a watershed is the area in which runoff, rivers, and streams run into a larger body of water
A cell or Atom is something that can process life or can processed into an object. (The atom is in objects and life Such as animals and humans as a cells in just humans and animals
Common examples of this would be if you place your hand in extremely warm or cold water, and an immediate response of pulling out of the water or any fluid, is an example of this extreme response, other responses are what is done in everyday, like being thirsty or hungry etc.
These behaviours are shared by all organisms even the most simple ones.
Answer: The population will evolve, leaving only those genetically equipped to deal with low oxygen levels. brainliest
Explanation:
