biology
Across
- 5. means 'non-living' or 'a physical and not biological factor.
- 7. is the solid, outer part of the Earth.
- 8. factor is a living organism that shapes its environment.
- 9. is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.
- 10. is the combined mass of water found on, under, and above the surface of a planet, minor planet, or natural satellite
Down
- 1. clearance, clearcutting or clearing or the removal of a forest
- 2. is the loss of water-soluble plant nutrients from the soil, due to rain and irrigation
- 3. is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air.
- 4. is anything that occupies space and has mass.
- 6. is the variety and variability of life on Earth.
- 8. is a global ecosystem composed of living organisms (biotic) and the abiotic (nonliving) factors from which they derive energy and nutrients.