Across
- 2. a baby cow
- 4. we eat it to survive
- 5. animal that gives us wool and cheese
- 9. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.
- 13. to describe ecological energy sources
- 14. the unit of reproduction of a flowering plant that we plant in the ground
- 15. the opposite of industrial
- 16. produced or involving production without the use of chemical fertilizers, pesticides, or other artificial chemicals.
- 18. a substance added to something in small quantities to improve or preserve it.
- 19. colorful reproductive organ of a plant
Down
- 1. the designated period during which a product remains suitable for its intended use
- 3. the presence in or introduction into the environment of a substance which has harmful or poisonous effects. (e.g. co2)
- 6. chemical substance added to food to make it last longer
- 7. the variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable.
- 8. the growing of different crops in succession on a piece of land to avoid exhausting the soil and to control weeds, pests, and diseases.
- 10. causing, or made in a way that causes, little or no damage to the environment and therefore able to continue for a long time:
- 11. products that come from milk
- 12. a destructive insect or other animal that attacks crops, food, livestock, etc.
- 17. another word for cow
