Across
- 1. tinuous physical force exerted on or against an object by something in contact with it
- 4. accompanied by or requiring the absorption of heat
- 6. the location of objects by reflected sound, in particular that used by animals such as dolphins and bats
- 7. found just below the Photic Zone and is known as the twilight layer
- 8. the quality of being hot
- 9. The darkness layer
- 10. How well something floats
Down
- 2. amount of salt in water
- 3. an animal that is dependent on external sources of body heat
- 5. is the layer closer to the surface that receives enough light for photosynthesis to occur
- 7. pull (someone or something) along forcefully, roughly, or with difficulty