53. Which of the following statements re..-阿摩線上測驗
1F Sean 大二上 (2020/05/28)
(A). The operculum is a series of bones found in bony fish that serves as a facial support structure and a protective covering for the gills; it is also used for respiration and feeding. (B). Amniotes are a clade of tetrapod vertebrates comprising the reptiles, birds, and mammals. (D). The swim bladder, gas bladder, fish maw, or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish (but not cartilaginous fish) to control their buoyancy, and thus to stay at their current water depth without having to waste energy in swimming... 查看完整內容 |