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Bio 208 > Lecture 4 > Flashcards

Lecture 4 Flashcards

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Biology 101 flashcards
1
Q

Uneven solar energy at different parts of the Earth in a year

A
  • due to 23.5 tilt of Earth and its spherical shape
  • causes seasons, major air circulations and precipitation
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2
Q

What part of the earth has low air pressure

A

The equator, the poles have cold, dense air with high air pressure

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3
Q

Topographic Effects

A

large topography and water bodies also influence climate - at a smaller, regional scale

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4
Q

Terrestrial Biomes

A

Large terrestrial regions on our planet with a similar climate and vegetation
i.e tropical rain forests, deserts, temperate grasslands

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5
Q

What affects mean temperature and sum of annual precipitation?

A

Solar radiation and atmospheric cells

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6
Q

What affects predominant vegetation in a biome?

A
  • temperature and precipitation
  • vegetation is the food and habitat base for ecosystem
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7
Q

Climate (Walter-Lieth) diagrams

A

X values: Months
Left Y values: Mean monthly temp
Right Y values: Mean monthly precipitation

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8
Q

Canada terrestrial Biomes

A

Temperate Grassland
Temperate forest
Boreal forest
Tundra

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9
Q

Terrestrial Biomes not in Canada

A

Tropical Rainforest
Desert

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10
Q

Tropical Rainforest

A
  • High mean annual temp
  • High mean annual precipitation
  • Low seasonality
  • Biomass-rich, evergreen
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11
Q

Desert

A
  • Low or high mean annual temp (cold & hot deserts)
  • Very low mean annual precipitation
  • strong-moderate seasonality in temp
  • short-stature vegetation, mostly tree-less
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12
Q

Colours on climate diagram

A

red dots = temp
blue dots = precipitation
yellow area = drought (temp higher than precipitation)
Dark blue = excessively moist periods
Light blue = more moisture per degree of temp

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13
Q

Temperate Grassland

A
  • Low mean annual temps
  • Low mean sum annual precipitation
  • strong seasonality in temp
  • very fertile soils (a lot of land loss due to crop land)
  • tree-less vegetation
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14
Q

Temperate Forest

A
  • moderate mean annual temp
  • high mean annual sum precipitation
  • moderate seasonality in temp
  • forest vegetation
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15
Q

Boreal Forest

A
  • found only in north hemisphere
  • very low mean annual temp
  • moderate mean sum annual precipitation
  • strong seasonality in temp
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16
Q

Tundra (desert kinda)

A
  • very low mean annual temp
  • moderate mean annual sum precipitation
  • moderate seasonality
  • tree-less
  • permafrost
17
Q

Whittaker Diagram

A
  • displays major biomes as a function of Mean annual precipitation (MAP) and Mean Annual Temp (MAT)
18
Q

How many Ecozones in Canada

A

15, which are even subdivided into ecoregions and ecodistricts

Bio 208 (8 decks)

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