Classification and Characteristics iGCSE

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Across
  1. 2. scorpions and ticks fall into this group
  2. 5. there are 9 animal...
  3. 7. breathe through there skin when in water
  4. 8. the first word of the binomial name of an organism is the ________________
  5. 10. the ability to detect changes in the environment and respond
  6. 11. offspring produced by similar animals must be ____________ to be considered a species
  7. 12. the branch of science concerned with placing living organisms into different classes
  8. 15. the 5 major groups of living organisms
  9. 17. phylum with jointed legs
  10. 18. the removal of excess or waste substances
  11. 19. Class of arthropods characterised by many legs per segment
Down
  1. 1. exotherm that lives in water
  2. 3. the smallest taxon
  3. 4. the process of placing organisms into different groups
  4. 6. Mammals are one example of this taxa (group)
  5. 9. when plants photosynthesise they show this characteristic
  6. 13. the taxon after class.
  7. 14. Asexual or sexual _______________________
  8. 16. one of two classes that has a four chambered heart