1 Subjects: “...origin of life...”

2 Subjects: “...origins of agriculture...”

3 Subjects: “...centre of origin...”

4 Subjects: “...geographical origin area...”

5 Subjects: “...origin of troglobites...”

6 Subjects: “...vegetation's origin...”

7 Subjects: “...geographical origin...”

8 Subjects: “...multiple origins...”

9 Subjects: “...geogenic and anthropogenic origin...”

10 Subjects: “...probable geographic origin...”

11 Subjects: “...centres of origin...”

12 Subjects: “...centres of origin...”

13 Subjects: “...centres of origin...”