Across
- 1. The Biosphere is the collective interaction of all the biomes on the Earth.
- 2. all the organisms in a particular area at a given time
- 3. the total dry weight of the organisms in a level
- 5. a relationship where two types of organisms compete for the same resource
- 8. a plant eater
- 9. Web a network of interrelated food chains in a given areas
- 10. and Tidal Power can be used to generate electricity from the rise and fall of the waves and the tides
- 11. energy is energy harnessed in areas of the earth that are near volcanoes or hot springs
- 13. the relationship in which one organism that hunts and eats another
- 15. shows the reusing of certain elements and compounds (e.g. water, carbon, oxygen, nitrogen, phosphorus) in different forms in ecosystems.
- 16. change allows of sunlight to reach the earths surface
- 18. Energy from windmills can be used to generate electricity by turning turbines in the same way
Down
- 1. Magnification is the accumulation in body tissues of certain chemicals
- 4. Factors- living factors e.g. amount of food, predators, parasites, competitors
- 5. - a form of symbiosis in which one organism helps the other organism, but there is no benefit or harm done in return
- 6. Explosion is the rapid increase in population in developing countries causing famine
- 7. Species are species of plants or animals that have migrated or been brought to Australia
- 12. – the study of the interrelationships of living organisms and their environment.
- 13. people that make the things (eg; fruits )
- 14. Pollution release into the atmosphere of excessive amounts of harmful gases
- 17. Rain When gases such as sulphur dioxide and nitrogen oxides react with water