GRE Text Completion Question 293
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Source: XDF
If a species of parasite is to survive, the host organisms must live long enough for the parasite to_____; if the host species becomes_____, so do its parasites.
| Blank(i) | Blank(ii) |
|---|---|
| A reproduce | D extinct |
| B atrophy | E widespread |
| C succumb | F infertile |
