Across
- 2. purple spiny invertebrate
- 6. large pore in mangrove root
- 7. huggle in groups in antarctic
- 8. is a keystone predator
- 9. borrows a shell
Down
- 1. is an environmental engineer
- 2. red candy
- 3. frozen ice cap bordered by continental shelf
- 4. acts as a nursery for young fish
- 5. has five arms
