Across
- 5. Organisms that obtain energy by consuming other organisms
- 6. A series of organisms in which each eats the one below it
- 8. that cannot be replaced at the same rate at which they are consumed
- 9. Multicellular organisms that typically produce their own food through photosynthesis
- 10. Rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes
- 12. The natural movement of air, especially in the form of a current of air blowing from a particular direction
- 13. A colourless, odourless gas produced by burning carbon and organic compounds and by respiration
- 15. Organisms that make their food through photosynthesis
- 16. A region of depleted ozone layer in the Earth's stratosphere
Down
- 1. A colourless gas with a pungent odour, formed as a result of burning sulfur in air
- 2. The presence or introduction into the environment of substances or thingcarbon colourlessave the potential to harm living organisms
- 3. The protection, preservation, management, or restoration of wildlife and of natural resources such as forests, soil, and water
- 4. energy emitted by the sun, particularly electromagnetic energy
- 6. Fuels, such as coal, oil, and natural gas, that are formed from the remains of ancient orgaas coalnon-renewable
- 7. natural home or environment for an organism
- 11. Physical or behavioural characteristics that help an organism survive in its environment
- 14. Resources that can be replenished or replaced in a relatively short period of time
- 17. The surroundings or conditions in which a person, animal, or plant lives or operates