Nhận biết (M1)

Like many other bird species that live only on the Hawaiian archipelago, the Kaua’i ‘amakihi has adapted to life in a well-defined habitat, resulting in highly specialized physical and behavioral characteristics that aid the species in survival. However, because the Kaua’i ‘amakihi is highly specialized, it is especially vulnerable to environmental changes that can disrupt the delicately balanced ecosystem in which it lives.

Which choice best states the main idea of the text?

• A.

  The Kaua’i ‘amakihi is a species of bird that is related to many other Hawaiian birds but does not share a habitat with any of them.

• B.

  The Kaua’i ‘amakihi is an example of a highly specialized bird species found only on the Hawaiian archipelago and is related to several other highly specialized bird species found there.

• C.

  The Kaua’i ‘amakihi is an example of a species unique to the Hawaiian archipelago that is highly specialized and therefore particularly susceptible to habitat disturbances.

• D.

  Hawaiian birds display a unique range of physical and behavioral characteristics and as a result can only live in habitats unique to the Hawaiian archipelago.