Suppose that the cells of seed plants, like the skin cells of humans, produce a pigment upon increased exposure to UV radiation. Rank the following cells, from greatest to least, in terms of the likelihood of producing this pigment. 1. cells of sporangium 2. cells in the interior of a subterranean root 3. epidermal cells of sporophyte megaphylls 4. cells of a gametophyte

3,1,4,2

Explanation:

The cells in the human body produces some pigments in the presence of UV or due to the exposure of UV. The plant cell also produces pigments upon being exposure to the UV radiations.

The greatest amount of the pigments will be produced from the cells epidermal cells of the saprophyte megaphylls.

The next is the sporangium which have the less ability to produce the pigments based on the location of the cells.

The next is the cells of the gemetophyte will have less exposure to the UV radiation so it will produce less pigments.

The least amount of the cells which will be exposed are the cells in the interior of the subterranean roots.

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