An ecological perspective focusing on how living things interact with their environment and the human impact on the planet.
Ecosystems:
Components of an ecosystem (biotic and abiotic).
Food chains, food webs, and trophic levels.
Energy flow in an ecosystem and the 10% law.
Environmental Issues:
Ozone layer depletion and its causes.
Waste management (biodegradable vs. non-biodegradable wastes).