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AP Environmental Science > Chapter 3 Test Flashcards > Flashcards

Chapter 3 Test Flashcards

1
Q

Levels of ecosystem

A

organism, population, community, ecosystem, biosphere

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2
Q

Communities

A

populations of different species occupying the same space

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2
Q

Ecosystem boundaries

A

locations showing the gradient of one ecosystem to another (not concrete)

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3
Q

Photosynthesis/CR

A

6CO2+ 6H20 -> C6H12O6 + 6O2

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4
Q

Aerobic

A

with oxygen

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5
Q

Anaerobic

A

without oxygen

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6
Q

Chemosynthesis

A

Organisms getting energy from inorganic compounds without sunlight

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7
Q

Trophic levels

A

Successive levels of organisms consuming one another - less energy/population as you move up - higher predators need to consume more

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8
Q

Scavengers

A

organisms that eat corpses

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9
Q

Detrivore

A

break down waste/tissue (dung beetle)

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10
Q

Decomposer

A

Fungi/Bacteria that completely break down nutrients and recycle them

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11
Q

Biomass

A

total mass of all living matter in area

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12
Q

10% rule (ecological efficiency)

A

Average decrease of 10% as you move up a level

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13
Q

Macronutrient

A

Fats, Carbs, Proteins (essential)

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14
Q

Limiting nutrient

A

scarce nutrients which limits growth of organisms

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15
Q

Eutrophication

A

natural enrichment of a body of water which causes less oxygen, mostly from runoff of plant nutrients (algal blooms)

16
Q

Dead zones

A

parts of a body of water without enough oxygen to support life

17
Q

Hypoxic

A

not enough oxygen

18
Q

Apoxic

A

no oxygen at all

19
Q

Watershed

A

land of area that all streams to same outlet

20
Q

Disturbance

A

event that changes population size

21
Q

Resistance

A

measure of how much disturbance affects ecosyteme

22
Q

Resilience

A

rate of speed an ecosystem can return to original speed after disturbance

23
Q

Restoration ecology

A

study of/implementation of damaged ecosystems

24
Q

Intermediate disturbance hypothesis

A

Intermediate amount of disturbances results in greatest biodiversity

25
Q

NH3

26
Q

NH4

27
Q

NO2

28
Q

NO3

29
Q

SO2

A

Sulfur Dioxide

30
Q

SO3

A

Sulfur Trioxide

30
Q

H2SO4

A

Sulfuric Acid

31
Q

C2H6S

A

Dimethyl Sulfide

32
Q

Ammonification

A

Ammonia to Ammonium

33
Q

Nitrification

A

NH3 (Ammonia) to NO2 (Nitrite) NO3 (Nitrate)

34
Q

Assimilation

A

Organisms incorporate NO3 (Nitrate) and NH3 (Ammonia)

35
Q

Denitrification

A

NO3 (Nitrate) to atmosphere

AP Environmental Science (8 decks)

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