Food chains are for example something that another thing eats and it goes down to many different selections and starts off big and vies to small things
Answer:
( Inserting a gene to allow a diabetic to produce insulin.) and (Using a virus to insert a gene that allows monkeys to see in color.) are both gene therapy
the corn plants one is GMO's
and the dog one is cloning
4. Gene Pool is not a mechanism, thus your answer!
Answer:
I am gonna guess and say A. a nucleic acid molecule