ice ages - 2024 PLAYTIME @ Harvard

Question

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]

<AD, Biology>

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Summary


2025 PLAYTIME @ CWRU	12/10/2024	Y	4	12.50	75%	50%	0%
2025 PLAYTIME @ Claremont	12/10/2024	Y	5	22.00	100%	80%	40%
2025 PLAYTIME @ Florida	12/10/2024	Y	2	20.00	100%	100%	0%
2025 PLAYTIME @ Florida	12/10/2024	Y	1	20.00	100%	100%	0%
2024 PLAYTIME @ Harvard	04/26/2025	Y	4	10.00	75%	25%	0%
2024 PLAYTIME @ JHU	10/26/2024	Y	5	14.00	100%	40%	0%
2025 PLAYTIME @ Northwest	12/10/2024	Y	3	10.00	100%	0%	0%
2025 PLAYTIME Online	04/26/2025	Y	9	13.33	78%	44%	11%
2025 PLAYTIME @ Sheffield	12/10/2024	Y	6	11.67	100%	0%	17%
2025 PLAYTIME @ Sheffield	12/10/2024	Y	1	10.00	100%	0%	0%
2024 PLAYTIME @ UBC	10/05/2024	Y	7	11.43	100%	14%	0%
2024 PLAYTIME @ Virginia Tech	07/11/2025	Y	3	16.67	100%	33%	33%
2024 PLAYTIME @ WashU	10/12/2024	Y	6	15.00	83%	50%	17%

Data


BU	Belmont	10	10	20
Harvard	Brandeis	10	0	10
Lexington	Brown	10	0	10
MIT	RIT	0	0	0