Answer:
D
Explanation:
D is the only option where the cause of the pollution is not something man-made.
One has more atificial growth hormones
If the lizard was a less desirable female/male in a time where their gender outnumbered the other and therefore not all of them get a mate.
The answer is A)<span> the desired gene is inserted into the genomes of the pork.
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The techniques of genetic engineering are used to introduce hybrid genes for some desired substance or protein or trait into other organisms. Here, the desired gene is inserted into pork's genome and as a result, it has a <span>higher flesh-to-bone ratio</span><span>.</span>
<span>- B) is not the right answer because it is not necessary to change all the genes in the pork genome or it will be transformed into totally different organism.</span>
<span>- C) is not the right answer because the pork does not have plasmids.</span>
B is the answer to this question as Lipids are fats and are a whole separate macro molecule
