Across
- 2. the parts on the side of a fish which allow it to breathe
- 6. the place where the river joins the sea
- 7. to produce young
- 8. to put arms, legs etc around something
- 10. to develop over the period of time
- 12. to continue to exist
- 15. to cause a baby to start forming
- 16. a small thin fish
Down
- 1. to preserve; to protect
- 3. the long thin part of the plant that supports other plant parts
- 4. a plant that grows in the sea
- 5. connected
- 9. a pocket of skin
- 11. thousand of years
- 13. the way something works
- 14. to be or look similar to smth else