Unit 1: The Living World: Ecosystems - AP Environmental Science

/ Unit 1: The Living World: Ecosystems

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You’ll begin to explore a view of planet Earth as one system made up of regional ecosystems composed of interdependent environmental features, processes, and relationships between species.

Question Difficulty:

Question	Difficulty	Students Solved
Aquatic Primary Producer Life History Traits	medium	87
Energy Flow Through Trophic Levels	medium	79
Trophic Levels in a Forest Ecosystem	easy	74
Aquatic Photosynthesizer Light Adaptation	hard	55
Rainfall Unit Conversion	easy	56
Carbon Transfer Atmosphere to Biosphere	medium	52
Characteristics of Generalist Species	easy	50
Biomagnification in a Coastal Food Web	medium	37
Calculating Land Subsidence	medium	38
Altitude and Water Availability	medium	35
Savanna Ecosystem Characteristics	easy	38
Freshwater Biomes and Biodiversity	easy	38
Carbon Sink Ratio Calculation	medium	33
Primary Nitrogen Sink	medium	37
Interpreting Freshwater Renewal Rates	hard	24
Energy Source of the Hydrologic Cycle	medium	26
Dissolved Oxygen Concentration and Depth	easy	23
Trophic Cascade in a Forest Ecosystem	easy	24
Abiotic Stress and Biodiversity	medium	23
Detrital Food Web Primary Decomposer	easy	19

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Unit Leaderboard

Rank	User	Correct Count	Attempt Count	Time	Score
#1	dldpwn7424	192	200	0m 00s	19,120
#2	andymeng14440	163	195	1h 31m	10,464
#3	leoguinea0611	157	262	2h 09m	6,884
#4	johantuazon78	67	105	27m 08s	4,692
#5	anderson.chenenglish	45	60	3m 21s	4,149
#6	aligoldenwand	38	52	0m 00s	3,660
#7	ntgamja1	48	50	19m 26s	3,614
#8	nidhishenoy321	47	56	16m 51s	3,599
#9	chloeh59	71	101	54m 03s	3,557
#10	balakrishnan.rr2011	35	45	0m 00s	3,400

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1 – 10 of 133

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