B. The development of a system of names for plants. C. The discovery of grasses that could be harvested and replanted. 免费查看参考答案及解析 题目: The fact that the insects living on these plants died out ___produced less food supply for birds and wolves. A. in return B. in p...
B. The development of a system of names for plants. C. The discovery of grasses that could be harvested and replanted. 免费查看参考答案及解析 题目: The fact that the insects living on these plants died out ___produced less food supply for birds and wolves. A. in return B. in p...