A.The reproductive cycle of barnacles. B.
题型:单项选择题
问题:
A.The reproductive cycle of barnacles.
B.A new source of protein.
C.Types of sea animals.
D.The adhesive quality of barnacles.
A.The reproductive cycle of barnacles.
B.A new source of protein.
C.Types of sea animals.
D.The adhesive quality of barnacles.