阿摩線上測驗
10. Which statement about hydrostatic skeletons is TRUE?
(A) Hydrostatic skeletons are nonflexible.
(B) Hydrostatic skeletons provide little support for muscle action.
(C) Hydrostatic skeletons produce rigid animals that maintain one shape.
(D) Hydrostatic skeletons can protect internal organs.
答案：登入後查看
統計： A(0), B(0), C(0), D(2), E(0) #3240207
統計： A(0), B(0), C(0), D(2), E(0) #3240207
