Chapter 5 glossary

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Across
  1. 4. - the process of mating one breed of plant or animal with another breed of plant or animal
  2. 8. Species that are very close to extinction and small numbers remain
  3. 10. - native vegetation that remains unchanged when surrounding areas have been changed by activities such as grazing and forestry
  4. 13. - Scientists who study interactions between
  5. 15. - a part of the stem, root or leaf that is able to grow into a new plant
  6. 16. - a term used to describe all the conditions that affect a plant or animal in its habitat
  7. 17. - the place where al life exists; consists of earth and its atmosphere
  8. 18. - living factors in the environment
  9. 22. - a method of controlling unwanted pests by using natural predators or diseases
  10. 23. - individuals that are exactly the same each other
Down
  1. 1. - a consumer that only eats other animals
  2. 2. - an ecosystem that is diverse and is able to provide for the need of the organism living there for a long period of time
  3. 3. - species that is experiencing a rapid population decline and is in danger of becoming extinct if the drop in numbers continues
  4. 5. - an animal that only eats plants
  5. 6. - an animal that eats both plants and animals
  6. 7. - depending on each other for survival
  7. 9. - A system formed by organisms interacting with each other and with their non living surroundings in a balanced way.
  8. 11. - term that is used to describe a species that has no been seen in the wild for 50 years, and which the last known individual has died
  9. 12. - non living factors in the environment
  10. 14. - an interaction between two organisms in which one of them benefits and the other one is not affected
  11. 19. - an interaction between two organisms in which both the organisms benefit from the relationship and none is harmed
  12. 20. - the flow of energy between organism to organism in a series of feeding relationships
  13. 21. things and their environment