Nhận biết (M1)

Diadromous fish migrate between freshwater and marine biomes during their life cycle. The migration’s obligate nature is why diadromous fish can be __________ those that are merely euryhaline (able to tolerate high salinity): the euryhaline blackchin tilapia can survive high salinity, but its life cycle does not involve relocation to a different biome, as does that of the diadromous wild salmon.

Which choice completes the text with the most logical and precise word or phrase?

• A.

  demarcated from

• B.

  reconstituted as

• C.

  derived from

• D.

  conflated with