Living things have adaptations that help them survive. Living things that can better adapt to changes in their environment have a greater chance of survival. Changes in ecosystems have consequences that cannot always be predicted. An extinct plant or animal no longer exists. An endangered plant or animal is in danger of becoming extinct.
Humans have an impact on environments and a responsibility for their protection.
There are many uses for energy. The ability to use different types of energy has changed with technology over time. There are many ways to conserve energy. Peoples' use of energy affects the environment. People of different races, cultures and genders have contributed to developments in energy technology.