Which best describes a bird’s role as it eats seeds?
parasite
predator
habitat
niche

niche

I hope this helps :)

coal is not sustainable because it will one day run out.

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).