Ecosystems

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Across
  1. 2. contains biotic and abiotic variables
  2. 5. effects masked by a dominant gene
  3. 11. an animal that is hunted and killed by another for food
  4. 13. the process through which populations of living organisms adapt and change
  5. 14. study of heredity and the variation of inherited traits
Down
  1. 1. proposed explanation made on the basis of limited evidence to start an investigation
  2. 3. variant of a gene that expresses itself strongly
  3. 4. an individual animal, plant, or single-celled life form
  4. 6. a species' average population size in a particular habitat
  5. 7. predator that is at the top of the foodchain
  6. 8. a group of organisms of one species that interbreed and live in the same place at the same time
  7. 9. an animal that naturally preys on others
  8. 10. shows the relationship between species
  9. 12. a change in the DNA sequence of an organism