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This picture represents an ecosystem or the reactions between living and non-living components in a specific area.

We can see a variety of living and non-living things. There are plants and animals, soil and water, air and light energy from the Sun.

Although they are too small to see with the nàked eye, there could be a range of microorganisms, such as bacteria, algae, fungi, protozoa, or even viruses.

The river and its banks are examples of a habitat, which is a place where an organism can live or grow. The deer, the racoon, the dragon fly and the eagle are examples of individuals, or single living thing. All the organisms of the same species, in the same place,at the same time represent a population. Some examples are the cattails, the fern, the ladybug and the turtles. These individuals organisms, of the same species, interact with each other to form a community.

The answer is C.

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.

Most transgenic organisms are generated in the laboratory for research purposes. Others have been developed for commercial purposes  such as golden rice that has been modified to produce beta-carotene, the precursor to vitamin A.