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