Across
- 5. animal depending on or capable of internal generation of heat.
- 7. zone: Region of perpetual darkness beneath the photic zone
- 8. Chemical processes that keep something alive to maintain life.
- 9. A type of camouflage that some animals use where light shows shadows and exposed when the sky is dark
- 10. To float in water
Down
- 1. Location of objects by reflected sound
- 2. zone: Layer closest to the surface
- 3. Organism that can maintain body temperature at constant level
- 4. Continuous force exerted on an object
- 6. zone: Layer below Euphotic