【单选题】Species interdependence in nature confers many benefits on the species involved, but it can also become a point of weakness when one species involved in the relationship is affected by a catastrophe. ...
A.
Species interdependence is a point of weakness for some plants, but is generally beneficial to insects involved in pollination.
B.
Efforts to control the spruce budworm have had deleterious effects on the red-osier dogwood.
C.
The use of pesticides may be endangering certain plant species dependent on insects for pollination.
D.
The spraying of pesticides can reduce the fecundity of a plant species, but probably does not affect its overall population stability.
【单选题】Many scientists in the West hold the view that it will be no longer a question soon___________ man can report the earthquakes, volcanic eruptions and tsunamis.