The scientific theory of evolution states that populations change over time in response to changes in the enviroment
All energy sources have some impact on our environment. Fossil fuels—coal, oil, and natural gas—do substantially more harm than renewable energy sources by most measures, including air and water pollution, damage to public health, wildlife and habitat loss, water use, land use, and global warming emissions.
a because its all living things
in a community there are people right? well in an ecosystem there are animals and organism.
