Layers of the Ocean

12345678
Across
  1. 3. Sea cucumbers, octopus, and swordfish live within this layer of the ocean
  2. 4. This trench is the deepest part of the ocean ever to be explored
  3. 6. These cover two-thirds of the Earth
  4. 8. Dolphins, fish, and coral reefs live within this layer of the ocean
Down
  1. 1. Anglerfish, viperfish, and jellyfish live in this pitch-black layer of the ocean
  2. 2. This layer of the ocean consists mostly of the ocean floor, with freezing temperatures and extreme pressure
  3. 5. This layer of the ocean reached depths of 6,000 meters
  4. 7. The number of oceans on Earth