extinctions animals
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ECUADOR ENDANGERED ANIMALS
TECHNICAL UNIVERSITY OF AMBATO
MEMBERS:
Miguel Lojn
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What is extinction?
Extinctions occur when the last
individual of a species dies out.
Functional Extinctions occur when
individuals reain !ut the odds ofsustaina!le reproduction are lowi.e. the species is effectivel" extinct even
though individuals reain.
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When do extinctionsoccur? Extinctions occur when the environent of a
species changes faster than the species can
adapt.
#n other words$ a species% adaptations are no longersufficient in allowing that species to ac&uire and
copete for resources.
Extinctions can !e local$ widespread$ or glo!al.For exaple$ the ti!er wolf was until recentl"
extinct in 'isconsin !ut not in Minnesota
'ild el( and woodland cari!ou are now extinct in
'isconsin !ut a" !e found on gae fars.
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Extinctions are natural.
Extinctions occur naturall".
)earl" all of the species that have
existed on earth have gone extinct.
*here have !een + ajor ass
extinctions in geological histor".
Recover" fro these events too(
illions of "ears.
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CAUSES
*he an destro"ed anial
ha!itats irrationall" and so
have disappeared and
(illed an" anials.For the wor(s that are
launched in the forests
#t a" also !e !ecausehuans hunt or capture
the .
REASON 1:
DEFORESTATION
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*he huans$ just for
one" and fun hunt
the anials irrationall"
and illegall" $ just toa(e rugs$ coats$ sell
their s(ins$ dissect
the and sell the..
CAUSES
EASON 2:HUNTING
UNREASONABLE
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,!itious en exchange
for these anials illegall"
these reasons :
For experients
sell
Ma(ing clothing
-ispla" the in places
where the" can do daage
*he" are trained to fight
CAUSES
EASON 4: ILLEGAL EXCHANGE OF
ANIMALS
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CAUSES
EASON 5: ANIMAL EXPE IMENTS
Soe people experience withanials. -rugs are adinistered in
different fors of presentation to
eet its adverse effects. *he" are
also used to test new cosetics on
the and all this could har the
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ollution sources are indirect results of doestic $
industrial or agricultural activities. Rivers and canals
are polluted !" sewage waste $ industrial waste $
detergents $ fertili/ers and pesticides run off farland
*he effluents of ines can lead to a draatic
reduction in dissolved ox"gen in la(es and streas $
putting a lethal effect on an" anials.
CAUSES EASON 6:POLLUTION
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Biodiversity & Medicine
More than a &uarter of all prescriptions
written annuall" in the 0nited States contain
cheicals discovered in plants and anials.
, few hundred wild species have stoc(edour pharacies with anti!iotics$ anti1cancer
agents$ pain (illers$ and !lood thinners.
'e have onl" discovered 231435 of living
species so far6 http:77www.fws.gov7endangered7esa1li!rar"7pdf7'h"8Save8Endangered8Species8Br
ochure.pdf
http://www.fws.gov/endangered/esa-library/pdf/Why_Save_Endangered_Species_Brochure.pdfhttp://www.fws.gov/endangered/esa-library/pdf/Why_Save_Endangered_Species_Brochure.pdfhttp://www.fws.gov/endangered/esa-library/pdf/Why_Save_Endangered_Species_Brochure.pdfhttp://www.fws.gov/endangered/esa-library/pdf/Why_Save_Endangered_Species_Brochure.pdf -
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What animals are in danger ofextinction?
CHORONGO
FLOWER RAFT OR SERAFN OF PLATANAR
GIANT ANTEATER
GIANT ARMADILLO THE PACARANA
SHORT -EARED FOX
GIANT NUTRIA
LEOPARD TIGER JAGUARUNDI
NORTH PUD
MANATEE AMAZON
PINK DOLPHIN
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CHORONGO
FLOR DE BALSA O SERAFN
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GIANT ANTEATER
THE PACARANA
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SHORT -EARED FOX
G
IANTN
UTRIA
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JAGUARUNDI
NORTH PUD
MANATEE AMAZON
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PINK DOLPHIN GALAPAGOS PENGUIN
FLIGHTLESS
CORMORANT GARZA BUCKET
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ANDEAN CONDOR
FUENTE:
http:77www taringa net7posts7ecologia722499;
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