Answer:
We depend on forests for our survival, from the air we breathe to the wood we use.
Natural ecosystems are able to maintain a vibrant diversity of life because they incorporate intricate recycling systems that conserve essential materials.
Mountains such as the rocky mountains
B. Natural selection and Evolution both show the change over time in the survival of a specific organism. Natural Selection chooses traits that correspond the best with the ecosystem, while evolution gradually changes the species as a whole to cope with the surroundings.