Living Environment Vocab

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Across
  1. 3. anything that constrains a population's size and slows or stops it from growing.
  2. 4. when gasses in the atmosphere trap in the suns heat
  3. 6. the process of obtaining oxygen from the environment and releasing carbon dioxide
  4. 10. the information in a gene turns into a function
  5. 14. when the earth began to develop
  6. 16. something that causes something else to happen, develop, or become more active.
  7. 17. changes color due to the PH
  8. 19. exchange of genetic material between different organisms which leads to production of offspring with combinations of traits that differ from those found in either parent
  9. 21. a cycle in which the output of a system either modifes or reinforces the first action taken by the system
  10. 23. having limits
  11. 24. plays a role in menstural cycle and pregnancy
  12. 27. The combined characteristics that effect the species for the better or worse
  13. 28. removal of all the waste produced by the cells of the body
  14. 29. The chemicals link between atoms that hold molecules together
  15. 30. a balance that measures mass automatically
Down
  1. 1. the destruction of an organism or the removal of an organism from its habitat
  2. 2. movement of molecules high to low
  3. 5. a collection of fossils to represent earth's history
  4. 7. the process by which an existing community is replaced by another community
  5. 8. finding a difference between things that are compared
  6. 9. Thinking of something before it happens kind of like a hypothiesis
  7. 11. A molecule inside or on the surface of a cell that binds to a specific substance and causes a specific effect in the cell.
  8. 12. A substance that can speed up the rate of a chemical reaction without being changed or used up during the reaction
  9. 13. the process by which DNA strands are broken and repaired, producing new combinations of alleles
  10. 15. a guide that compares pairs of observable traits to help the user identify an organism
  11. 18. a chemical precess that occurs in a living thing
  12. 20. low to high and requires energy
  13. 22. first species that comes to life
  14. 25. produce its own food using sunlight
  15. 26. opening/pores in a plant