Across
- 2. environment
- 5. spatial relationship between individuals
- 7. a population
- 8. and their interactions with each other and
Down
- 1. — an aspect of a problem that is systematically overlooked or ignored in analysis
- 3. — improving a technology so it delivers the same output using less energy, without changing what you consume
- 4. -The global ecosystem all living things on
- 6. — the voluntary decision to give up a good or service in order to reduce energy and material consumption
