Across
- 3. Sea cucumbers, octopus, and swordfish live within this layer of the ocean
- 4. This trench is the deepest part of the ocean ever to be explored
- 6. These cover two-thirds of the Earth
- 8. Dolphins, fish, and coral reefs live within this layer of the ocean
Down
- 1. Anglerfish, viperfish, and jellyfish live in this pitch-black layer of the ocean
- 2. This layer of the ocean consists mostly of the ocean floor, with freezing temperatures and extreme pressure
- 5. This layer of the ocean reached depths of 6,000 meters
- 7. The number of oceans on Earth
