Biogeography and Ecosystems Flashcards

1
Q

What are the horizons of the soil

A

OAEBC

Organic, Mineral, Eluvial, Illuvial C (initial layer)

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2
Q

What is pedogenesis?

A

The process by which soils are formed

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3
Q

What is the Biosphere?

A

The biologically inhabited part of the earth

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4
Q

What is pedogenesis affected by?

A

Weathering, Oxidation, Humans

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5
Q

What are the three types of erosion?

A

Rill erosion = water runoff erosion
Gully erosion = Hole in the ground from the erosion
Exposure to humans and animals

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6
Q

What causes soil acidification?

A

an overpowering amount of H+ in the soil

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7
Q

What is Biogeography?

A

The reason why plants and animals are where they are in space.

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8
Q

What is a Eurytopic species?

A

A species that has a wide tolerane - KIWI

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9
Q

What is a Stenotopic species?

A

A species that has a small range

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10
Q

What is an ecosystem?

A

The Biotic and Abiotic components in an environment

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11
Q

What is a Natural Resource?

A

Anything that has been created through Natural Processes that people use and value.

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12
Q

What are externalities?

A

Spil over effects of things eg. gum in town

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13
Q

What is the Tragedy of commons?

A

The interaction between the environment, society and the economy

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14
Q

What role does Nitrogen play in the biochemical cycle?

A

It produces RNA, DNA and aids in the growth of plants and animals

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15
Q

What role does Phosphorous play in the biochemical cycle?

A

It helps in energy-releasing reactions

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16
Q

What role does Potassium play in the biochemical cycle?

A

It is an enzyme, it regulates stomata density

17
Q

What is a biochemical cycle?

A

The movement of chemicals and nutrients between abiotic and biotic phases

18
Q

What is virtual water?

A

Water that goes into resources

19
Q

What are biogeochemical cycles?

A

Recycling processes that supply essential substances to the biosphere

20
Q

What is the water budget of a system?

A

Accounting for all of the inflow and outflow of water in a given system over time.

21
Q

What is the O horizon composed of?

A

Organic material

22
Q

What is the A horizon composed of?

A

Nutrients that support plant life

23
Q

What is the B horizon composed of?

A

Clay materials

24
Q

What is the C horizon composed of?

A

Weathered parent materials

25
What is desertification?
The process that causes the soil to become more desert like as a result of human interaction.
26
What is the meaning of biomagnificaiton?
You are what you eat
27
What are the only renewable resources that we cant deplete?
Solar energy, wind PPT
28
What is a subsuitable item?
Another resource has been replaced by an outdated resource.
29
Where does a boreal forest thrive?
In the cold