global issues Flashcards
what is genetic engineering
manipulate the DNA of an organism to make it healthier or stronger
what is biotechnology
refers to technology used to manipulate as organism
what is whole organism cloning
coping an entire organism
what is a transgenic organism
have had DNA from one organism inserted into their own DNA In order to carry out a particular function
why are transgenic organisms made and egs
for agricultural purposes to increase the quality and quantity of the crops or livestock- such as chinook salmon- increase production in shorter cost
for health purposes- human insulin
advantages and disadvantages of human cloning
advantages- able to develop two identical people
disadvantages- unnatural and unethical
what is an extremophile
bacteria that can survive in extreme conditions
what is an egs of an extremophile
thermopile
- thrives in high temperatures
- found in various heated regions eg hot springs
why do we study extremophiles
in order to discover other planets where life may not be as hospitable as earth
what is the habitable zone
region in space where conditions are best for life
what planets are located in the habitable zone
earth
what is the gliese 581 system
solar systems that is believed to have life
why might mars have life
it is thought to be hospitable in the passed
rovers have documented dried water features
why might Europa have life
it is covered in ice although some ocean has been created due to the melting ice
what does the Mars rover do
takes dirt samples, photographs, does chemical testing, drills holes