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英文を読み, 下記の問いに答えなさい。
For most prey, ( 14 ) is over once they've been swallowed. But
one species of beetle can escape from a toad's stomach nearly two
hours after being eaten, according to a new study.
Found in wooded areas on nearly every continent, bombardier beetles
- a group that consists of more than 500 species- get their name
from their signature defense mechanism: When threatened, they
shoot a hot chemical spray from their rear end. In Japan, the insects
have long been known as "the farting bug."
Toads have been observed vomiting bombardier beetles after eating
them, but no one knew exactly why, or ( 15 ) the beetles survived
after their brush with digestion.
?
To better understand the beetle's defenses, two biologists from Kobe
University fed a species of bombardier beetle to two different species
of toad collected from forests in central Japan. One toad species
shared its natural habitat with that particular species of beetle, while
the other was unlikely to encounter it in the wild.
(16)
After the beetles were swallowed, a small explosion could be heard
inside each toad, indicating that the insects were firing their defenses.
Overall, 43 percent of the toads vomited the beetles, taking anywhere
