LONG TEST SCI9 1ST QUARTER

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Across
  1. 3. LOCUS,A fixed position on a chromosome for a specific gene.
  2. 5. part allow the gas exchange in lungs?
  3. 10. variety of species in an area.
  4. 12. DIOXIDE,What is released by the body as waste during respiration?
  5. 13. is the main organ of the respiratory system.
  6. 14. is an empty tube that serves as passageway of air into the lungs.
  7. 15. LOSS,The destruction of an existing natural habitat - decrease or eliminates the sources of food or living space for most species
Down
  1. 1. carry the blood away from the heart.
  2. 2. carry the blood towards the heart.
  3. 4. SYTEM,This organ system is responsible for taking in oxygen and expelling carbon dioxide.
  4. 6. term connected to a species that can no longer be found living
  5. 7. SYSTEM,It is the life support structure that nourishes your cellsIt pumps the blood throughout thVE,These carry the blood towards the heart.
  6. 8. pumps the blood throughout the body
  7. 9. PUNNETT,He is the creator of Punnett square.
  8. 11. is a molecule that encodes an organisms’ genetic blueprint.