Answer some questions about the ecology of the Hispaniolan crossbill, for 10 points each:
[10e] The Hispaniolan crossbill expanded into the Caribbean during one of these periods. While these periods are generally associated with glaciation, the Cenozoic example of these periods extends to today.
ANSWER: ice ages
[10h] While crossbills inhabited many parts of North America during the last glacial period, they went extinct in many parts of its southern range, leaving the Hispaniolan crossbill as this type of population. This term describes populations of a species that were formerly widespread but have now become restricted to a small area.
ANSWER: relict [or relictual population]
[10m] Hispaniolan crossbills inhabit forests dominated by this tree in the mountains of Hispaniola. The longleaf species of this tree in the American southeast depends on fire for germination.
ANSWER: pine tree [or Pinus; accept longleaf pine]
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