6. These two systems get nutrients to muscle cells. Choose 2 answers.

the answer is c) an oak tree

answer; i believe the correct answer is (sporophyte);

the last one: artificial selection/genetic engineering

plant breeding is modifying the genetic composition of the plant - but this isn't cloning (which is specifically introducing a gene into a genome). but you are artificially selecting for the phenotype that you want.

the second one is literally genetic engineering - the gene would have been cloned first and then inserted or genetically engineered into the new plant cell (the cotton).