Caves - Life in the dark lane
Life in the dark lane
A cave's darkness may deter many life forms from making a home inside, but caves are crawling with organisms that like what a cave offers. Scientists have separated cave animals into three distinct types.
Animals that can only survive in the deep interior of caves' pitch-blackness are called troglobitesAn animal that lives in a cave and is unable to live outside of one., from the Greek word meaning cave life. Types of troglobites include species of shrimp, insects, and spiders. Many of these animals feature small eyes or blindness, no pigment, and a well-developed sense of touch and smell. Other animals are part-time cave dwellers. Called trogloxenesAn animal that spends only part of its life cycle in a cave and returns periodically to the cave., meaning cave guest, these animals...
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