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Cave dwelling animals show different levels of adaptations to underground environment. According to a recent classification, animals living in terrestrial subterranean habitats can be classified into 3 categories, based on their ecology: troglobionts (or troglobites): species strongly bound to subterranean habitats;
A troglobite (or, formally, troglobiont) is an animal species, or population of a species, strictly bound to underground habitats, such as caves.These are separate from species that mainly live in above-ground habitats but are also able to live underground (eutroglophiles), and species that are only cave visitors (subtroglophiles and trogloxenes). [1]
The entrance zone is where the surface and underground environments meet. Light becomes scarcer in the twilight zone. The transition zone is almost completely dark; however some outside environmental effects can still be felt. Finally, the deep cave zone is completely dark, relatively stable, and exhibits no evaporation.
Life in the Undergrowth is a BBC nature documentary series written and presented by David Attenborough, first transmitted in the UK from 23 November 2005.. A study of the evolution and habits of invertebrates, it was the fifth of Attenborough's specialised surveys following his major trilogy that began with Life on Earth.
The Mexican blind brotula and other cave-dwelling brotulas are among the few species that live in anchialine habitats. Although many cavefish species are restricted to underground lakes, pools or rivers in actual caves, some are found in aquifers and may only be detected by humans when artificial wells are dug into this layer.
Amazing Animals (sometimes marketed as Henry's Amazing Animals for home video) is an educational children's animated TV show series nature program produced by Dorling Kindersley Vision and Partridge Films in association with the Disney Channel. [1] It was originally broadcast on the service in 1996. It also aired on Family Channel in Canada. It ...
A deep-diving robot that chiseled into the rocky Pacific seabed at a spot where two of the immense plates comprising Earth's outer shell meet has unearthed a previously unknown realm of animal ...
Shifts towards an underground lifestyle also entail changes in metabolism and energetics, often in a weight-dependent manner. Sub-fossorial species weighing more than 80 grams (2.8 oz) have comparably lower basal rates [specify] than those weighing lower than 60 grams (2.1 oz). The average fossorial animal has a basal rate between 60% and 90%.