Chapter 4+5 Flashcards

(59 cards)

1
Q

What happened in Kenya?

A

Clouds didn’t move as sun passed
More rain at equator-floods
No rain north-drought

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2
Q

Weather

A

The temporary conditions in the atmosphere in a specific area

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3
Q

Climate

A

The average weather of a region over several decades

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4
Q

Layers of the atmosphere

A
Troposphere
Stratosphere
Mesosphere
Thermosphere
Exosphere
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5
Q

Which layer has the air we breath

A

Troposphere

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6
Q

Which layer is the desenest

A

Troposphere

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7
Q

Which layer has the ozone

A

Stratosphere

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8
Q

What is the importance of the ozone

A

Absorbs UV rays-protects

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9
Q

Which layer contains charged molecules that glow

A

Thermosphere

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10
Q

What determines which organisms can survive in a region

A

Temp and precipitation

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11
Q

Why is it hotter at the equator

A

Sun rays are more concentrated and hits earth more directly. Travels shorter distance.

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12
Q

What is albedo

A

Percentage of incoming sunlight that is reflected from a surface

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13
Q

Warm vs cold air

A

warm air less dense

warm air more moisture

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14
Q

What factors determine which season it is

A

Earth tilt

Position around the sun

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15
Q

How do ocean currents affect local climate

A

Move water around and regulate temp

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16
Q

El nino

A

South American trade winds weaken

Warm equatorial water from west Pacific move east to west coast of South America

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17
Q

Effects of el nino

A

Suppress upwelling and kill fish

Cool and wet temperature South east US; dry South America and South east Asia

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18
Q

Which biome is located around 30 N+S

A

Subtropical Dessert

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19
Q

Rainshadow

A

region with dry conditions found on the leeward side of a mountain range as a result of humid winds from the ocean causing precipitation on the windward side

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20
Q

Why is latitude important to climate

A

The close the latitude to equator, the warmer the climate

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21
Q

Why are air and ocean currents called heat engine systems

A

Air and water transport heat in currents

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22
Q

Dung of devil lesson

A

70% of drugs come from plants

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23
Q

Types of biodiversity

A

Ecosystem
Species
Genetic

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24
Q

How many species

A

2 million confirmed

5 million-100 million estimate

25
Species richness
Number of species in an area
26
Species evenness
Proportion of species to area
27
Microevolution
Below species level
28
Macroevolution
Creates new species, phyla, etc.
29
Speciation
The creation of new species
30
Random process of evolution
Mutation Genetic drift bottle neck founder
31
Darwin points of natural selection
``` Excess of offspring Not all can live Differ in traits Traits passed on Different traits=different abilities ```
32
Allopatric
Geographic isolation
33
Sympatric
Not isolated
34
Genetic variation and evolution
high variation= quick natural selection
35
pop size and evolution
small pop=quick
36
generation time and evolution
early sex= quick evolution
37
range of tolerance
limit of abiotic conditions
38
Realized niche
actually lives
39
fundamental niche
able to live
40
Mass extinction
large amt of species killed in short time
41
Coriolis effect
deflection of objects due to earth's rotation
42
Tundra
Cold and treeless | Little precipitation and vegetation
43
Boreal Forest
``` Taiga Coniferous (cone trees) 50-60 North Cold+low precipitation= slow decomposition Nutrient poor soil ```
44
Temperate rainforest
``` Moderate temperature High precipitation West coast of North America Mild summer + winter 12 month growing season ```
45
Temperate seasonal forest
East US, Japan, China, Europe, Chile, Australia Warm summer; cold winter Rapid decomposition High soil fertility
46
Woodland/Shrubland
Hot and dry chaparral fire and drought California
47
Temperate grassland
cold dessert parries non woody plants cold winter; dry summer
48
Tropical Rainforest
20 N+S warm and wet constant precipitation high productivity and ecomposition
49
Tropical Rainforest
20 N+S warm and wet constant precipitation high productivity and ecomposition
50
Tropical Seasonal forest
Savanna warm low precipitation
51
Subtropical dessert
30 N+S Hot dessert (stereotypical dessert) Little rain and vegetation
52
Streams and Rivers
Small amt of fresh water rapid provide food for fish
53
Lake and pond
Litoral zone-shallow area of soil and water near shore Limnetic- open water; sunlight; Profundal- no sunlight; no producers Benthic- muddy bottom
54
Freshwater wetlands
Submerged in water Most productive swamp, marsh, bog
55
Salt Marshes
temperate climate | nonwoody vegetation
56
Mangrove Swamps
Tree root submerged in water | salt tolerant
57
Intertidal Zone
Narrow area between high tide and low tide
58
Cora Reef
Most diverse | Warm, shallow water
59
Open ocean
Photic- top layer, sunlight, photosynthesis Aphotic- little sunlight Benthic