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APES > Unit 1 (Modules 4-5) > Flashcards

Unit 1 (Modules 4-5) Flashcards

1
Q

Cycles

A

Elements getting cycled through the sphere, transforming matter

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2
Q

How many biochemical cycles are there?

A

4

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3
Q

Carbon cycle

A

The movement of carbon around the biosphere amoung reservoir sources and sinks

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4
Q

What is the process of the Carbon Cycle

A

Photosynthesis, respiration, exchange, sedimentation, burial,extraction and combustion

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5
Q

Aerobic Respiration (Cellular Respiration)

A

The process by which cells convert glucose and oxygen into enegery, carbon dioxide and water
-C+02 = CO2

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6
Q

Steady State

A

When a systems inputs equal their outputs, so that system is not changing over time
-> All in balance: Pre Industrial Revolution

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7
Q

Greenhouse Gases

A

Gases in Earth’s atmosphere that trap heat near the surface, allowing for the earth to remain warm enough for life

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8
Q

Global Warming

A

The increases in global temperature due to humans production more greenhouse gases

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9
Q

Biogeochemical Cycles

A

The movement of matter within and between ecosystems involving cycles of biological and chemical processes

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10
Q

Resivoirs

A

The components of the biogeochemical cycles that contain the matter, including air, water and organisms

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11
Q

Limiting Nutrient

A

A nutrient required for the growth of an organism but available in a lower quantity compared to other nutrients

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12
Q

Nitrogen Cycle

A

The movement of nitrogen around the biosphere amoung resivoirs sources and sinks

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13
Q

Nitrogen Fixation

A

The process that converts nitrogen gas in the atmosphere (N2) into forms of nitrogen that plants and algae can use

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14
Q

What is the chemical process for nitrogen fixation

A

N2 - NH3 - NH4+

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15
Q

NH4+ - no2 _ - NO 3 _ = USABLE IONS

A

NO 2 - cannot be used directly from atmosphere NH3 = Ammonia

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16
Q

Nitrification

A

The conversion of ammonia (NH4+ ) into nitrate (NO-2) and then into nitrate (NO3-)

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17
Q

Assimilation

A

A process by which plants and algae incorporate nitrogen into their tissue

18
Q

Mineralization

A

The process by which fungal and bacterial decomposters break down the organic matter found in dead bodies and waste products and convert organic compounds back into inorganic compounds such as inorganic ammonium (NH4+)

19
Q

Denitrification

A

The conversion of nitrate (NH3-) in a series of steps into gases nitrous oxide (N2O) and eventually nitrogen gas (N2) which is admitted into the atmosphere (Opposite of nittrication)

20
Q

Anaerobic

A

An environment that lacks oxygen

21
Q

Aerobic

A

An environment with abundant oxygen

22
Q

Leaching

A

A process in which dissolved molecules are transported through the soil via groundwater

23
Q

Phosphorus Cycles

A

The movement of phosphorus around the biosphere amoung resivoirs sources and sinks

24
Q

Phosphorus Cycles

A

The movement of phosphorus around the biosphere amoung resivoirs sources and sinks

25
Q

Phosphorus is a ———— ———————- especially in aquatic environments

A

Limiting nutrient

26
Q

Phosphorus is a ———— ———————- especially in aquatic environments

A

Limiting nutrient

27
Q

What are major resivoirs that involve the carbon cycle

A

Rock and sediment

28
Q

What are major resivoirs that involve the carbon cycle

A

Rock and sediment

29
Q

What is phosphorus tightly held by?

A

Soil
- Not easilyy leached into water bodies

30
Q

What is Phosphurus form

A

(PO4^3-)

31
Q

What is the abiotic process of phosphorus

A

Sedimentation, geological uplift, weathering

32
Q

How do humans add phosphurus?

A
  • Synthetic fertilizers
  • Detergents
33
Q

What happens when you increase amount of phosphurus?

A

INCREASE: Alter plant communities
Decrease of plants can cause decrease in the animal species that depend on it for food

34
Q

Hydronic Cycles

A

The movement of water around the biosphere amoung the resivoirs sources and sinks

35
Q

Transpiration

A

The water plants. Release on their leaves that get evaporated into atmosphere

36
Q

Evaportranspiration

A

The combined amount of evaporation and transpiration

37
Q

Run-Off

A

Water that moves across the land surfaces into streams and rivers
- LEads to flooding or things washing away

38
Q

Water is a..?

A

Universal Disssolvant

39
Q

What does water play a key role in moving?

A

Other elements dissolved in it, like carbon, nitrogen, and phosphurus

40
Q

What are key things to remember about the phosphurus cycle?

A
  • Not in atmosphere
  • Biosphere, Hydrosphere, geosphere
  • Adds to nutrification
  • Humans increase amounts of P

APES (6 decks)

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