unwanted guests

Newplantsandanimalscametotheislandswithpeople.Goats,pigs,dogs,andmanyplantswerebroughtheretomakelifeeasierforsettlers.Wecallthesespeciesintroduced species.

CatsarenotfromtheGalápagos.Acatcanharmnativeandendemic wildlife. 

Wildboars,orwildpigs,nowroamthe islands. 

Someintroducedspeciescauseddamageontheislands.Theytookoverhabitats.Or,theyateotheranimals’food.Wecallthesespeciesinvasivespecies.Blackberriesandgoatsaretwo examples.


Blackberrieswerebroughttotheislandsinthe1970s.Theygrewsofast,therewasnoroomfornativeplantsto grow.

Blackberryplantsgrowandspreadquickly.Theytakeupspacenativeplantsneedto grow. 

LifeScience

EcosystemsandIntroducedSpecies