Because they provide new insights in the research for biotechnology and other useful resources to the knowledge of biology.
<span>Transgenic means that one or more DNA sequences from another species has been introduced by artificial means. For example, animals usually are made transgenic by having a small sequence of DNA injected into a fertilized egg or developing embryo. Transgenic plants can be made by introducing foreign DNA into a variety of different tissues.</span>
The ability to do work is called energy.
The ecosystem is very complex and simulations do not include all of the factors that may impact ecosystem processes.
