Ch. 15 - Crossword Puzzle
Across
- 2. organisms that can cause disease
- 4. can pesticides be dangerous to humans
- 7. a condition that occurs when people do not consume enough calories.
- 9. to remain unplanted for several years
- 10. food that animals regurgitate from the first chamber of their stomach and chew again
- 12. movement of rock soil and sand by wind and water.
- 13. what is the abbreviation for genetically modified
- 14. the surface layer of soil
- 16. what type of farming is considered sustainable agriculture
- 17. droppings used to fertilize fields of rice
- 18. the raising of aquatic organisms for human use or consumption
- 20. domesticated animals that are raised to be used on a farm or ranch
Down
- 1. what percentage to insects in North America eat of the crops
- 3. catching or removing from a population more organisms than the population can replace
- 5. widespread starvation caused by a shortage of food
- 6. chemicals used to kill insects
- 8. type of agriculture where plows are pushed by the farmer or livestock
- 10. partly decomposed organic matter
- 11. the amount of food that can be produced in a given area
- 13. plants of the grass family
- 15. an organism that occurs where it is not wanted and in large amounts.
- 19. what type of animal is a type of poultry