Selective breeding

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Across
  1. 2. What is the name of a variety of pets or plants?
  2. 3. A group of plants obtained as a result of breeding.
  3. 6. One of the fastest dog breeds.
  4. 7. What is the name of a person who is engaged in agriculture?
  5. 9. A class of animals that includes dogs, cats, people etc
  6. 10. The first people (profession) who started "crossing" animals.
Down
  1. 1. What is the name of procreation?
  2. 4. What features of the animal does aggressiveness belong to?
  3. 5. What is the name of the offspring of dogs?
  4. 8. What is the name of the offspring of plants?