Extinct
| Pair of skeletal parts | Category | |
|---|---|---|
| (a)$\,\,$ | Sternum and ribs$\,\,$ | Axial skeleton |
| (b)$\,\,$ | Clavicle and glenoid cavity$\,\,$ | Pelvic girdle |
| (c)$\,\,$ | Flumerus and ulna$\,\,$ | Appendicular skeleton |
| (d)$\,\,$ | Malleus and stapes$\,\,$ | Ear ossicles |
The historic Convention on Biological Diversity, ‘The Earth Summit’ was held in Rio de Janeiro in the year
जैव-विविधता की क्षति के "द एविल क्वार्टेट" (चार मुख्य कारण) निम्नलिखित में से कौन-से हैं?