ecoloy Flashcards

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1
Q

abiotic drive—

A

biotic

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2
Q

levels of organisation

A
organism
population
communitty
habitat
ecosystem
biome
bioshpere
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3
Q

niche

A

how it lives
feeding?
migratory?

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4
Q

tundra

A

permafrost
cold lichens
mosses
grasse

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5
Q

coniferous forest
long cold winters
soils thaw in spring and summers

A

taiga

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6
Q
permafrost
cold
lichens
mosses
grasse
A

tundra

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7
Q
ew live hers
moderate rain
cold winters
warm summmesr
deciduous trees (drop leaves)
A

temerpate diciduous forest

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8
Q

greatest diversity
smallest biomes
tall trees
canopy

A

tropical resources

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9
Q

rainforest of the oceans

A

tropical coral freefs

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10
Q
centrally located on continents
grow our crop plants
windy
rainy season and dry season 
fire
bison and stuff
animals
A

grasslands

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11
Q

little rain
hot temperatures in the day and cold temperatures at night

drought resistant plants

A

desert

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12
Q

population trends

A
calculate pop density
# of organisms in area
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13
Q

carrying capacity

A

max # of animals an area can support

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14
Q

pop crash

A

lots of animals die

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15
Q

exponential growth

A

assumes unlimited resources

humans show exponent

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16
Q

logistic growth

A

assumes there is a carrying capacity “S” curve

17
Q

carbon cycle

A

change carbon from organic form into inorganic form (CO2)

photosynthesisi
respiration
decomosition
burnining fossil feuls

18
Q

nitrogen fixation

A

certain bacteria in soil turn nitrogen gas into usable form (nitrates)

19
Q

mater is —-energy o=is——-

A

recycles

energy si one way flow

20
Q

pioneer species primary succession

A

lichesn mosses

21
Q

pioneer species secondary succession

A

forest fire

grass

22
Q

climax community

A

mature community

23
Q

fossil fuels impact

A
acid rain-plants
air pollution (CO2)--greenhouse effect (global warming)