本题目来源于试卷: Interaction & Interdependence C.7 Defence Against Disease，类别为 IB生物学
[单选题]
Which is true for a zoonotic disease?
A. It is caused by a pathogen that can cross species barriers
B. It is caused by a pathogen that affects domesticated animals
C. It is a disease that is caused by a virus
D. It is a disease that is caused by a pathogen that can only infect humans
参考答案: A
本题详细解析:
Choice A is correct because zoonotic diseases ar1 s0udqreb5+(83jf e1lxs k,d+u vo dbe diseases that can be transmitted from one species to another, such as from chickens to humans. Choice B is incorrect because zoonotic diseases do not only affect domesticated animals. Choice C is incorrect because zoonotic diseases are not only caused by viruses. Choice D is incorrect because zoonotic diseases do not only affect hum1 s +3 jdde qb0b58lseovd+u(ufk,r1x ans.
| 
