December Flashcards

1
Q

what is the biosphere?

A

is one of the Earth´s 4 interconnected systems

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2
Q

what includes the biosphere?

A

all ecosystems

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3
Q

what includes the biota

A

all living things in the biosphere

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4
Q

what includes the hydrosphere?

A

water ice and water vapor

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5
Q

what includes the atmosphere?

A

air blanketing Earth´s solid and liquid surface

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6
Q

what includes geosphere?

A

Geologic features above and below Earth´s surface

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7
Q

What considers Earth as a kind of living organism?

A

The Gaia Hypotesis

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8
Q

To what interact Earth ecosystems?

A

to yield biosphere capable of supporting life

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9
Q

Who developed the GAIA hypotesis?

A

James Lovelock and Lynn Margulis

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10
Q

is a key abiotic factor that affects the biosphere?

A

Climate

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11
Q

What is climate

A

is a long-term pattern of weather conditions

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12
Q

What key factors shape the area´s climate?

A

temperature sunlight water and wind

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13
Q

what is a microclimate?

A

is the climate of a small specific place within an area

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14
Q

What are the three main climate zones of the earth

A

polar tropical and temperate

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15
Q

explain the polar

A

the far northern and southern areas of the earth

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16
Q

explain the tropical

A

surrounds the ecuator

17
Q

explain the temperate

A

the wide area between polar and tropical zones

18
Q

what affects the tilt?

A

wind and ocean currents

19
Q

what affects inland climates?

A

larger changes in temperature

20
Q

What shape coastal climates

A

smaller changes in temperatures, higher humidity and more precipitation

21
Q

Where does precipitation occurs in the case of the mountains?

A

on the side of the mountain facing wind

22
Q

what produces rain shadow?

A

drier and cooler air in the other side of the mountain

23
Q

What is a rain shadow?

A

an area of decreased precipitation

24
Q

What survive in an specific climate due to the adaptations?

A

Many organisms

25
what does every population has?
a dipersion, a density and a reproductive strategy
26
is a measurement of the number of individuals living in a defined space
population density
27
what are the 3 types of dispersion
clumped, uniform, and random
28
How does population grows?
in predictable patterns
29
the size of population is always...
changing
30
what factors affect the size of the population
immigration, births, emigration and deaths
31
what is exponential growth?
a rapid population increase due to an abundance of resources
32
what is logistic growth?
is due to a population facing limited resources
33
what is carrying capacity?
is the maxium number of individuals in an enviroment a population can suppport
34
what is population crash?
is a dramatic decline in the size of population over a short period of time
35
is something that keeps the size of a population down...
limiting factor
36
is the process of change in the species that make up a community
Ecological succesion
37
what does succesion make?
regenerates
38
who regenerates in the primary succesion
pioneer species
39
who regenerates in secondary succesion
bu remaining species