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爬行动物是真正适应陆地环境的脊椎动物, 比两栖动物更适应陆地生活的原因是 ( ) (1)体表覆盖角质鳞片或甲 (2)完全用肺呼吸 (3)幼体用鳃呼吸 (...

Mar 18, 2024

爬行动物是真正适应陆地环境的脊椎动物, 比两栖动物更适应陆地生活的原因是 ( ) (1)体表覆盖角质鳞片或甲 (2)完全用肺呼吸 (3)幼体用鳃呼吸 (4)皮肤裸露 (5)生殖和发育离开了水 A. (1)(2)(5) B. (1)(2)(3) C. (2)(4)(5) D. (3)(4)(5)

A

Key Concept

Adaptations for terrestrial life in reptiles

Explanation

Reptiles are better adapted to land than amphibians due to their keratinized scales or shells that prevent water loss, lungs for respiration, and reproduction that is independent of water.