AP CENTRAL FRQ's  2023     2022-1999          2020 Exam questions available in AP Classroom question bank

2019 #2       2019 Free -Response Questions           Scoring Guidelines     Sample Responses Q2
Limiting nutrients
Population growth
Calculate growth rate
Gene Regulation
Analyze data from graph

2014 #3  2014 All questions                Scoring Guidelines       Sample Responses Q3
Human impact on ecosystems  


2014 #5  2014 All questions                Scoring Guidelines           Sample Responses Q5 
GMO's     

2014 #7  . 2014 All questions                Scoring Guidelines             Sample Responses Q7
Draw a graph
Thermoregulation
Support claim with evidence from graph

2013 #4  2013 All questions      2013 RUBRIC                Sample Responses Q4
Role of photosynthesis/Cellular Respiration in nutrient cycling
Explain movement of carbon in ecosystem
Identify organisms that use both processes

2012 #4   2012 All Questions           Scoring Guidelines          Sample Responses Q4
Role of photosynthesis/cellular respiration in carbon cycle
Predict impact of environmental change on ecosystem
(food webs, climate change, succession)
Human impact on climate change/ocean acidification

2011 B #2   2011 B All Questions          Scoring Guidelines              Sample Responses Q2
Use graph to explain ecological concepts
Succession
Biodiversity
Design and experiment

2011 B #3   2011B All Questions          Scoring Guidelines              Sample Responses Q3
Invasive species
Evironmental effects
Read a Map
Discuss solution/consequences

2010 B #3    2010 B All questions        Scoring Guidelines         Sample Responses Q3
Bacterial roles in ecosystems
Genetically modified organisms

2010 B #4           2010 B All Questions         Scoring Guidelines            Sample Responses Q4
Abiotic/biotic factors
Experimental design
Support hypothesis with data
Describe experimental modifications

2008 #3  2008 All Questions      Scoring Guidelines      Sample Responses Q3
Impact of regulators:
~Cyclin/cell cycle
~Thyroxine/metabolic rate
~FSH/Ovarian cycle
~Predators/prey population dynamics
~Fire/Ecological succession

2008 B #2 2008 All Questions      Scoring Guidelines       Sample Responses Q2
Structure function
Organization of subunits into:
~ A eukaryotic chromosome
~ mature angiosperm root
~ a colony of bees
~ An inner membrane of a mitochondrion
~ An enzyme

2007 #3  2007 All Questions         Scoring Guidelines         Sample Responses Q3
Impact of abiotic factors on productivity
Food chains/trophic levels
Anatomical/physiological differences impact on CO₂ uptake in plants
Evolutionary significance

2007 B #1   2007 B All Questions      Scoring Guidelines            Sample Responses Q1
Innate/Learned behavior
Adaptive value
Design an experiment

2007 B #4  2007 B All Questions      Scoring Guidelines           Sample Responses Q4
Energy flow
Deforestation
Climate change

2004 #4     2004 All questions          Scoring Guidelines               Sample Responses Q4 
Symbiotic relationships in:
~Plant root nodules
~ Digestion of cellulose
~ Epiphytic plants
~ AIDS
~ Anthrax

2003 B #4  2003B  Questions             Scoring Guidelines               Sample Responses Q4
Explain/discuss impact on biodiversity of:
~ Mutations
~ adaptive radiation
~ polyploidy
~ population bottlenecks
~ growth of human population

2001 #3    2001 All Questions     Scoring Guidelines      Sample Responses Q3
Graph data provided
Predict change in graph
Dissolved oxygen in eutrophic lake
Explain data/results
Predict/explain results of environmental change

2000 #4  2000 All Questions         Scoring Guidelines       Sample Responses Q4
Adaptive coloration, mimicry, or behavior/defense against predators
Plant defense
Primary/secondary immune response