The answer is ("B" - is the foundation of the scientific method.)
I think your answer is A.
Genetically modified crops may increase the risks of allergic reactions. The possible consequences for hybridization in plants are that the plants become resistant to diseases.
Genetic engineering is the way towards the breaking of the normal limits that exist between species in order to create new lives and this will deliver an assortment of wanted characteristics.
Hybridization we can say it is the preparation of blossom of one type of animal by the dust of species.
Differential reproduction means that some organisms in a population produce more offspring than others.
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Differential reproduction refers to the difference between individuals in a population and how many offspring they are able to leave.The best adapted organisms to a given environment will leave more offspring than those who are not well adapted. Differential reproduction depends on the natural selection.</span>