原题
Extinctions are a natural part of Earth's history, marking the end of species that die out and paving the way for new ones. These inci can b caused b varying fac, such a environmental cha, habitat lo, and catast events. Stud extinctions he scientists understand biodiversity and the resilience of ecosystems. Notable extinctions, like the one that wiped out most of the dinosaurs, offer insights into how life on Earth can dramatically shift. Modern conservation efforts aim to prevent human-induced extinctions and preserve remaining species.
参考答案：dents e y tors s nges ss rophic ying lps
解题思路
老师暂未填写解题思路。