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Which of the following is an example of symbio
问题详情
Which of the following is an example of symbiosis as it is described in Paragraph 2 ？
A．Certain types of tall grass conceal tigers because of the tigers" striped markings.
B．Fish called remoras attach themselves to sharks and eat the scraps of the sharks" meals.
C．Mistletoe, a type of shrub, grows on trees and harms them by extracting water and nutrients.
D．Protozoa in the intestines of termites digest the cellulose that the termites eat, and their waste products nourish the termites.
参考答案
正确答案：D
解析：细节题型见第二段第四句The two organisms live together to the benefit of both，a relationship known as symbiosis．(这两种有机体为了双方的利益共同生存，它们间的关系被称之为“共生现象”)及随后的举例；而本题的四个选项中只有选项D(白蚁肠中的原生动物将白蚁吃下的纤维素消化，而它们的排泄物又为白蚁提供滋养)体现了这种共生现象，因此 D为答案。此外还可根据四个选项中的动词来判断是否有互利互存的关系来寻找答案。
