Ecology Quiz

1234567891011121314151617181920
Across
  1. 2. animals that need to eat to obtain energy & matter
  2. 7. natural change that takes place within a community
  3. 9. eat both meat and plants
  4. 10. complex interconnected food chains
  5. 12. nonliving factors in a ecosystem
  6. 16. pyramid showing flow of energy
  7. 17. use photosynthesis to make their own food
  8. 18. plant eaters
  9. 19. the molecule that provides all organisms with a source
  10. 20. sexual reproduction , sperm fertilizes egg, offspring has half of each parents' chromosomes
Down
  1. 1. organisms that are at the bottom of the energy pyramid
  2. 3. converting light energy to chemical energy
  3. 4. asexual reproduction by simple cell division, offspring is a clone
  4. 5. living organisms in a ecosystem
  5. 6. point at which population becomes stable
  6. 8. ancient prokaryotic organisms found in extreme conditions
  7. 11. prokaryotic organisms such as true bacteria
  8. 13. consumers that eat other organisms
  9. 14. organisms that consume dead organisms
  10. 15. meat eaters