Across
- 4. when clouds cannot hold any more water droplets this occurs
- 6. the scientific study of various aspects of humans within society
- 7. the scientific study of animals
- 9. the presence of a substance in the environment which has poisonous effects
- 10. the property of biological systems to remain productive
Down
- 1. an underlying layer of vegetation between the canopy and forest floor
- 2. the scientific study of the atmosphere, weather and climate
- 3. the process by which plants lose water from their leaves
- 5. the top layer of the rainforest
- 8. the scientific study of plants