Nhận biết (M1)

The state of North Dakota has designated the spiny water flea as an invasive species that could outcompete some of the state's native species. But researchers Alejandro Camacho and Jason McLachlan have pointed out that Earth's climate is changing in ways that challenge such designations. Climate changes may cause animals to leave their current ranges and establish new ones. Climate changes may also create good habitats in areas where a species couldn't live previously. These observations suggest that _________

Which choice most logically completes the text?

• A.

  North Dakota should coordinate with other states to protect their native species from invasive species.

• B.

  states such as North Dakota may need to reevaluate their classifications of species.

• C.

  North Dakota was previously home to some spiny water fleas but they were outcompeted by invading species.

• D.

  it's useful at present for North Dakota to distinguish between invasive and native species in some instances but not in the case of the spiny water flea.