Birds in the genus haliaeetus vary exhibit different bahavio - GED Practice Questions
Question
Birds in the genus Haliaeetus vary exhibit different bahavior that one can utilized to deduce relationships between the species and their evolutionary history.
For instance, the three lovebird species that are thought to be the most rudimentary construct simple nests in cavities that already exist. One of the three middle species excavates a cavity specifically for the nest, and the other two construct intricate nests with tops. The nests of the four contemporary species resemble cups. Compared to the nests constructed by primitive species, these nests are less complicated than those constructed by middle-aged species.
A scientist carried out an investigation to demonstrate that these birds' nest-building habits were inherited rather than acquired.
Fischer's lovebird and the peach-faced lovebird, two distinct species of lovebirds that mate easily, were employed by scientists. The peach-faced lovebird is a little more primitive species of lovebird than the Fischer's lovebird, which is a modern species.
The beak of the Fischer's lovebird holds tiny bits of nesting material. The Fischer's lovebird builds more straightforward cup-shaped nests because of the little size. Long strips of nesting material are cut by the peach-faced lovebird and placed into the bird's back feathers. Frequently, the bird's lengthy strips of nesting material will come out and fall from its feathers. The peach-faced lovebird is able to construct a complex and elaborate nest thanks to the lengthy strips of building materials. The hybrid offspring of these two species has difficulty building nests.
Like its peach-faced parent, the hybrid child will cut long and large strips of material. The hybrid progeny, however, will struggle to fly and try to carry the material in its beak. When the bird tries to insert the material into its back feathers, the birds fails to properly secure it in the feathers, causing the material to fall out.
According to the passage, which statement about hybrid lovebirds is true?
Answers
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Explanation
The final line of the passage informs us that the hybrid lovebirds, like their peach-faced parent, cut long strips of building material and attempt to carry it in their beaks, just like their parents. Consequently, the hybrid bird exhibits traits from both of its parents' nest-building behaviors.
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