oyster reefs - 2024 ACF Winter

Question

Over 85 percent of these ecosystems have disappeared over the past 200 years due to overfishing of their namesake species, including C. virginica and O. lurida. For 10 points each:

[10h] Name these ecosystems whose namesake organisms can break storms and provide habitats for other benthic organisms. The presence of spat indicates the health of these ecosystems, which centrally form at estuaries.

ANSWER: oyster reefs [or oyster beds or oyster banks or oyster bottoms or oyster bars; prompt on reefs or banks or bottoms or bars; reject “coral reefs”]

[10e] Spat refers to oyster larvae after they attach to surfaces, including these structures. Oysters and other mollusks like snails or clams form examples of these exoskeleton structures.

ANSWER: seashells

[10m] Oyster filter feeding promotes primary productivity by reducing this quantity in the surrounding environment. This quantity is often measured using Secchi disks.

ANSWER: turbidity [prompt on answers that indicate the cloudiness or haziness or clarity of the water]

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Summary


2024 ACF Winter at UC Berkeley	2024-11-16	Y	3	20.00	100%	100%	0%
2024 ACF Winter at Clemson	2024-11-16	Y	8	13.75	100%	38%	0%
2024 ACF Winter at Lehigh	2024-11-16	Y	7	14.29	100%	43%	0%
2024 ACF Winter at Northwestern	2024-11-16	Y	9	17.78	89%	89%	0%
2024 ACF Winter at Ohio State	2024-11-16	Y	7	12.86	100%	29%	0%
2024 ACF Winter at Online	2024-11-16	Y	8	13.75	100%	38%	0%
2024 ACF Winter at UBC	2024-11-16	Y	2	15.00	100%	50%	0%
2024 ACF Winter at Central Florida	2024-11-16	Y	5	12.00	80%	40%	0%
2024 ACF Winter at Oxford	2024-11-16	Y	10	12.00	100%	10%	10%
2024 ACF Winter at Brandeis	2024-11-16	Y	10	13.00	80%	40%	10%

Data


Berkeley A	Stanford L	0	10	10	20
Berkeley B	Berkeley C	0	10	10	20
Stanford M	Stanford A	0	10	10	20
Alabama A	Auburn C	0	10	10	20
Clemson A	Auburn A	0	10	0	10
Georgia Tech A	Emory B	0	10	10	20
Georgia Tech B	Georgia A	0	10	10	20
Georgia Tech D	Georgia Tech C	0	10	0	10
Emory A	Georgia Tech F	0	10	0	10
South Carolina A	Tusculum A	0	10	0	10
Georgia Tech E	Tennesse A	0	10	0	10
Columbia A	Penn State B	0	10	10	20
Columbia B	Penn State A	0	10	10	20
Rowan A	Johns Hopkins A	0	10	0	10
Penn A	Johns Hopkins B	0	10	10	20
Lehigh A	Princeton A	0	10	0	10
Rutgers A	Haverford A	0	10	0	10
Bard	Rutgers C	0	10	0	10
WashU D	Indiana B	0	10	10	20
Purdue A	Miami	0	10	10	20
Northwestern A	WashU B	0	10	10	20
UChicago C	Notre Dame	0	10	10	20
Purdue C	Indiana A	0	0	10	10
UChicago B	Purdue D	0	10	10	20
UIUC A	SIUE A	0	10	10	20
UIUC C	UChicago D	0	10	0	10
UChicago A	WashU C	0	10	10	20
CWRU B (UG)	Pitt A	0	10	0	10
Michigan D (DII)	Kenyon A (UG)	0	10	0	10
Michigan A	Michigan C (UG)	0	10	0	10
Ohio State A (UG)	Michigan B	0	10	10	20
CWRU A (UG)	Michigan State A	0	10	10	20
Michigan State B (UG)	CWRU D (DII)	0	10	0	10
Pitt B (UG)	CWRU C (UG)	0	10	0	10
Colorado College	Vassar B	0	10	0	10
McGill E	Texas B	0	10	0	10
NYU B	Missouri	0	10	0	10
Vassar A	NYU A	0	10	10	20
Texas D	Ole Miss	0	10	0	10
Texas A	Mississippi State	0	10	10	20
Oregon State	Texas C	0	10	0	10
Iowa	WUSTL A	0	10	10	20
UW B	SFU	0	10	10	20
UBC B	UW A	0	10	0	10
Florida Tech B	Florida Tech A	0	10	0	10
UF E	UCF B	0	10	0	10
UF C	UF B	0	10	0	10
UF A	UF D	0	10	10	20
UCF A	UF F	0	0	10	10
Durham B	Bristol B	0	10	0	10
Cambridge C	Bristol A	10	10	0	20
Durham A	Imperial B	0	10	10	20
Cambridge B	LSE A	0	10	0	10
Cambridge A	Manchester	0	10	0	10
Oxford A	Imperial A	0	10	0	10
Oxford B	Cambridge D	0	10	0	10
Vanderbilt	Edinburgh	0	10	0	10
Warwick A	Birmingham	0	10	0	10
LSE B	Warwick B	0	10	0	10
Yale B	A Brandeis Supreme	0	10	0	10
Amherst A	Clark A	0	10	0	10
Bowdoin B	Boston University A	10	10	10	30
Bowdoin A	BU B	0	10	0	10
Yale A	Brown A	0	10	10	20
Tufts B	Carabrandeis	0	0	10	10
Diamond Brandeis	Williams A	0	10	0	10
Northeastern A	Brandeises Brew	0	0	0	0
Harvard A	Tufts A	0	10	10	20
Yale C	MIT A	0	10	0	10