阿摩線上測驗
39. Which of the following are characteristics of arthropods?
1. protostome development.
2. bilateral symmetry
3. a pseudocoelom
4. three embryonic germ layers
5. a closed circulatory system s
(A) 1 and 2
(B) 2 and 3
(C) 1,2, and 4
(D) 2,3 and 5
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統計： A(0), B(0), C(1), D(0), E(0) #3389864
統計： A(0), B(0), C(1), D(0), E(0) #3389864
