Final answer:
The sentence can be completed with the word 'shade-loving', fitting the description of plants thriving in densely shaded areas.
Step-by-step explanation:
In the given sentence the blank can be filled by any adjective that describes the plants, which are able to thrive in dense shade conditions in the woods. One possible answer could be 'shade-loving' since plants that thrive in dense shade are usually recognized as shade-loving. Hence, the sentence would read - 'The woods abound in shade-loving plants that thrive in dense shade.' The key here is to find adjectives that describe the characteristics of plants growing in dense shade.
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