Across
- 3. age at which animals reach sexual maturity and are able to reproduce
- 4. union of the sperm and egg cells
- 5. period of time that milk is secreted by the mammary glands
- 8. release of the egg cell from the ovary
- 10. act of giving birth
Down
- 1. the time a female animal is receptive to be bred
- 2. length of time during which the female is pregnant
- 6. removal of testicles
- 7. first milk produced after a mammal gives birth that contains antibodies needed for the offspring's immunity
- 9. removal of female reproductive organs