Variation and Classification

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Across
  1. 2. sticking out of an animal’s head that is used to sense things
  2. 3. Type of arthropod with four pairs of legs (e.g. a spider).
  3. 7. Differences between organisms passed to offspring by their parents
  4. 9. Sorting things into groups
  5. 11. Vertebrate with hair, which also produces milk
  6. 12. Invertebrate with jointed legs (e.g. a fly or spider).
  7. 13. A group of organisms that can reproduce with each other to produce offspring
Down
  1. 1. Differences between organisms caused by their surroundings
  2. 4. An animal with a backbone.
  3. 5. Vertebrate with moist skin (e.g. a frog).
  4. 6. Data values that change gradually (e.g. time, lengths)
  5. 8. Data values that do not have a range of options (e.g. days of the week, shoe sizes)
  6. 10. Animal with no backbone.