Chapter 5 Science Glossary Terms

123456789101112131415161718
Across
  1. 5. regular burning to reduce the amount of fuel available for a fire
  2. 6. an interaction in which one type of organism (the parasite) lives on or in another type of organism (the host); the host is usually harmed or even killed
  3. 8. area along the banks of rivers and streams that is flooded when water levels are high
  4. 10. a method of controlling unwanted pests by using a natural predator or disease
  5. 16. the place where all life exists; consists of earth and its atmosphere
  6. 17. species that is experiencing a rapid population decline and is in danger of becoming extinct if the drop in numbers continues
  7. 18. an animal that is eaten by a predator
Down
  1. 1. an interaction between two organisms in which one of them benefits but the other one is not affected
  2. 2. an organism able to manufacture its own food; plants are producer organisms
  3. 3. native vegetation that remains unchanged when surrounding areas have been changed by activities such as grazing or forestry
  4. 4. organisms that get the energy they need by breaking down dead matter and waste products
  5. 7. the flow of energy from organism to organism in a series of feeding relationships
  6. 9. a number of food chains combined
  7. 11. individuals that are exactly the same as each other
  8. 12. the chemical in plants that traps energy from the sun and gives plants their green colour
  9. 13. an interaction between organisms in which both the organisms benefit from the relationship and neither is harmed
  10. 14. breeding the process of mating one breed of plant or animal with another breed of that plant or animal (e.g. cattle)
  11. 15. raised bank built to prevent water reaching buildings
  12. 18. an animal that eats other animals