Organisms that live in the tundra have developed unique adaptations that aid in their survival. ursus maritimus has a variety of adaptations which enable it to survive in the tundra. it is the largest terrestrial carnivore, but it is also an excellent swimmer that spends much of its time in and near the water hunting its favorite food. it has large paws with small bumps to provide traction as it walks across the ice. its fur is as camouflage during the winter months, but not as during the summer. which organism has the adaptations described that enable it to survive in the tundra?
a. harp seal
b. arctic fox
c. polar bear
d. kodiak bear

"1. it should be, it has been for about 20 years, and it's really not much different in the end than breeding animals to have particular traits. there are always concerns about genetically engineered animals/plants affecting the environment in unexpected negative ways, but i can't think of an example where the fears didn't turn out to be baseless.  

first, as you point out, it would be a great advance in pharmacology, to be able to tailor drugs and their doses to me. the pros involve better medical treatment. the cons involve privacy issues like insurance companies denying coverage to people with genetic risk factors. looking at dna markers wouldn't affect the frequency of genetic diseases, but it would allow detection of them earlier. and ok, actually i suppose that if people used this information to avoid having children with genetic diseases, some might decrease in frequency."

the answer would be..

b. sucking