Animal Reproduction

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Across
  1. 5. Union of the sperm and egg cells
  2. 6. Age at which animals reach sexual maturity and are able to reproduce
  3. 7. The time a female animal is receptive to be bred, also called heat
  4. 9. Release of the egg cell from the Ovary
  5. 10. Act of giving birth
Down
  1. 1. removal of testicles
  2. 2. Length of time during which the female is pregnant
  3. 3. First milk produced after a mammal gives birth that contains antibodies needed for the offspring's immunity
  4. 4. Removal of female reproductive oragns
  5. 8. Period of time that milk is secreted by the mammary glands