Across
- 4. an organism that eats another living thing
- 7. how many more times the mass of all humanity is the mass of the world's insects?
- 8. a scientist who studies insects
- 11. chemicals that kill pests
- 12. a group of insects that look a bit like moths
- 13. to transfer pollen from plant to plants can reproduce
- 15. a ten year timeframe
- 16. a group of insects that eat grass
- 19. the absence of all organisms in a species
- 20. a group f insects that crawls and has wings
Down
- 1. originally found in an area
- 2. chemicals that kill insects
- 3. caused by increases in carbon dioxide in the atmosphere that traps more heat
- 5. an area where an organism lives
- 6. a complex interaction of food chains
- 9. a group of insects that pollinate flowers
- 10. suddenly fall down or give way
- 14. a species that causes significant environmental damage
- 17. to reuse materials so they don't build up as waste
- 18. a group of insects that jump