The ____________________ zone is at the beginning of the cavern.
The ___________________ zone receives partial light.
The ___________________ zone is the part of the cavern that never receives any light.
The dark zone is unaffected by the outside environment because it has a constant ____________________.
Since the water in a cave is unable to evaporate out, the cavern environment stays ______________________.
Due to the lack of light, animals that live in the dark zone tend not to have ______________ or ________________.
The animals that live in caves prefer the ______________ and _____________ living conditions.
The animals that normally live outside but use a cave for shelter are called _________________.
The animals that prefer the cool, moist conditions of the twilight zone and can comfortably live in a similar environment outside are _________________.
Animals that live exclusively in a cave are known as _________________.
Cave animals can be classified by which zone they live in as well as the three surface areas of the cavern. These areas are: ___________________ , ___________________ , _____________________.
A blind cave fish would be found in the ____________________ zone and on the_____________________.
Because of the lack of ___________ in the dark zone, plants are not able to grow.
Organic material that makes its way into the cavern provides a source for
__________________ and _______________________ to grow from.
| WORD LIST (some words may be used more than once) |
| entrance |
eyes |
trogloxenes |
ceiling |
fungus |
twilight |
| troglophiles |
cool |
dark |
pigment |
temperature |
floor |
| troglobites |
walls |
light |
humid |
bacteria |
moist |
