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Consider the scenario

Black-tailed prairie dogs are a rodent native to the grasslands of
North America. Ecologists tracking colonies of black-tailed
prairie dogs noticed a significant population decline, in some
places by as much as 95%.


The ecologists read reports documenting the presence of a
bacteria that causes sylvatic plague. The sylvatic plague
primarily affects rodents and is transmitted through flea bites.


Which statement is a hypothesis that would best address the
question, "Are black-tailed prairie dogs dying to sylvatic plague
and causing the population to decline?"

A. The sylvatic plague is only killing off black-tailed praine dogs that are already old or weak.

B. Drought is most likely killing off the majority of black-
tailed prairie dogs.

C. If black-tailed prairie dogs eat different food, their population will be able to recover.

D. If sylvatic plague is killing prairie dogs, then vaccinating them will allow the population to grow


Sagot :

Answer: D.

Explanation: It makes the most sense  out of all the options.