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Which flexible structure that supports the nerve cord and led to the backbone

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

10. in which phase will crossing-over occur? a. mitosis b. metaphase ii c. prophase i d. meiosis ii