Deep Sea Biome Crossword puzzle

This printable crossword puzzle on the topic of Oceans & Water has 11 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

what's the exact depth limit?
what can not function in this biome?
anything below six hundred feet is considered _________
one threat to the biome is?
one endangered species is?
we know more about _______ than our own ocean
what is one reason the deep sea biome is important
what is one thing you should bring if you visit the biome
one nearby biome is?
two abiotic features of the deep sea biome are?
one point of interest is?