Animal reproduction

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Across
  1. 4. feeds the newly hatched fish
  2. 6. Protects baby from bumps
  3. 7. Connects baby to placenta.
  4. 11. Which fertilisation has least parental protection
  5. 12. Placenta has a large ______ for exchange
Down
  1. 1. Where eggs are made
  2. 2. sperm use this to swim
  3. 3. where fertilisation occurs
  4. 5. Placenta has a good ________ supply
  5. 8. Which type of fertilisation has highest fertilisation rate
  6. 9. ensures fish are close when releasing egg and sperm
  7. 10. where the baby develops
  8. 12. What the testis produce