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Characteristics of adaptation of animals living on land 

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Characteristics of adaptation of animals living on land 

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（1) Characteristics of land environment and adaptation of land animals: relatively dry land climate: with this adaptation, land-living animals generally have a structure to prevent water loss. Reptiles, for example, have horny nails.
(2) the buoyancy of land animals is not affected by water.
(3) except earthworms and other animals, land animals generally have various respiratory organs, such as trachea and lungs, which can breathe in the air and are located inside the body.
(4) land-living animals also generally have well-developed sense and nervous systems capable of responding in a timely manner to changing environments. Nervous system and sense.

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Meaning: land-living animals,

Characteristics: almost all air-breathing animals.

Including: mammals, reptiles, amphibians.

Disciplines: Biology