"SS : [ color= `` DarkGreen `` ] No they 're not .... do zoos document the changes in phenotype that no-doubt occur ? This is not the zoo 's job -- their job is not experimentation on animals -- that 's science 's job . Besides that , zoos do their darndest to house the animals in habitats that mimic the animals ' natural settings ."
"We 've covered that : zoos do not include predators or prey in those environments . And even if they did n't document minor phenotypic changes , they would surely notice a porcupine being born with no quills , or a tortoise with no shell !"
"not zoos changes phenotype zoo 's job not experimentation animals science 's job , darndest natural settings ."
"covered zoos not include predators or prey environments did n't document minor phenotypic , porcupine with no quills , tortoise with no shell !"